Q: What is the sum of all factors of the number 123,456,788 excluding 123,456,788?
A: 163,073,260
The factors of the number 123,456,788 are: 1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 71, 91, 119, 142, 182, 221, 238, 281, 284, 364, 442, 476, 497, 562, 884, 923, 994, 1124, 1207, 1547, 1846, 1967, 1988, 2414, 3094, 3653, 3692, 3934, 4777, 4828, 6188, 6461, 7306, 7868, 8449, 9554, 12922, 14612, 15691, 16898, 19108, 19951, 25571, 25844, 31382, 33439, 33796, 39902, 51142, 62101, 62764, 66878, 79804, 102284, 109837, 124202, 133756, 139657, 219674, 248404, 259363, 279314, 339167, 434707, 439348, 518726, 558628, 678334, 869414, 1037452, 1356668, 1738828, 1815541, 2374169, 3631082, 4409171, 4748338, 7262164, 8818342, 9496676, 17636684, 30864197, 61728394, 123456788.
If you add them up, you will get the total of 123,456,951. Now subtract 123,456,788 to get 163,073,260