The factors of the number 431,122,120 are: 1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 23, 26, 29, 40, 44, 46, 52, 55, 58, 65, 88, 92, 104, 110, 113, 115, 116, 130, 143, 145, 184, 220, 226, 230, 232, 253, 260, 286, 290, 299, 319, 377, 440, 452, 460, 506, 520, 565, 572, 580, 598, 638, 667, 715, 754, 904, 920, 1012, 1130, 1144, 1160, 1196, 1243, 1265, 1276, 1334, 1430, 1469, 1495, 1508, 1595, 1885, 2024, 2260, 2392, 2486, 2530, 2552, 2599, 2668, 2860, 2938, 2990, 3016, 3190, 3277, 3289, 3335, 3770, 4147, 4520, 4972, 5060, 5198, 5336, 5720, 5876, 5980, 6215, 6380, 6554, 6578, 6670, 7337, 7345, 7540, 8294, 8671, 9944, 10120, 10396, 11752, 11960, 12430, 12760, 12995, 13108, 13156, 13340, 14674, 14690, 15080, 16159, 16385, 16445, 16588, 17342, 20735, 20792, 24860, 25990, 26216, 26312, 26680, 28589, 29348, 29380, 32318, 32770, 32890, 33176, 33787, 34684, 36047, 36685, 41470, 42601, 43355, 49720, 51980, 57178, 58696, 58760, 64636, 65540, 65780, 67574, 69368, 72094, 73370, 75371, 80795, 82940, 85202, 86710, 95381, 103960, 114356, 129272, 131080, 131560, 135148, 142945, 144188, 146740, 150742, 161590, 165880, 168935, 170404, 173420, 180235, 190762, 213005, 228712, 270296, 285890, 288376, 293480, 301484, 323180, 337870, 340808, 346840, 360470, 371657, 376855, 381524, 426010, 468611, 476905, 571780, 602968, 646360, 675740, 720940, 743314, 753710, 763048, 829081, 852020, 937222, 953810, 979823, 1143560, 1351480, 1441880, 1486628, 1507420, 1658162, 1704040, 1858285, 1874444, 1907620, 1959646, 2343055, 2973256, 3014840, 3316324, 3716570, 3748888, 3815240, 3919292, 4145405, 4686110, 4899115, 6632648, 7433140, 7838584, 8290810, 9372220, 9798230, 10778053, 14866280, 16581620, 18744440, 19596460, 21556106, 33163240, 39192920, 43112212, 53890265, 86224424, 107780530, 215561060, 431122120.
If you add them up, you will get the total of 431,122,929. Now subtract 431,122,120 to get 809,927,480