Q: What is the sum of all factors of the number 253,760 excluding 253,760?

A: 407,656

Why is 407,656 the sum of all factors of 253,760, excluding 253,760?

The factors of the number 253,760 are: 1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 320, 416, 488, 520, 610, 793, 832, 976, 1040, 1220, 1586, 1952, 2080, 2440, 3172, 3904, 3965, 4160, 4880, 6344, 7930, 9760, 12688, 15860, 19520, 25376, 31720, 50752, 63440, 126880, 253760.

If you add them up, you will get the total of 254,167. Now subtract 253,760 to get 407,656