Q: What is the sum of all factors of the number 209,712 excluding 209,712?
A: 366,144
The factors of the number 209,712 are: 1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 257, 272, 408, 514, 771, 816, 1028, 1542, 2056, 3084, 4112, 4369, 6168, 8738, 12336, 13107, 17476, 26214, 34952, 52428, 69904, 104856, 209712.
If you add them up, you will get the total of 210,078. Now subtract 209,712 to get 366,144