Q: What is the sum of all factors of the number 77,544,420 excluding 77,544,420?

A: 143,149,788

Why is 143,149,788 the sum of all factors of 77,544,420, excluding 77,544,420?

The factors of the number 77,544,420 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21187, 42374, 63561, 84748, 105935, 127122, 211870, 254244, 317805, 423740, 635610, 1271220, 1292407, 2584814, 3877221, 5169628, 6462035, 7754442, 12924070, 15508884, 19386105, 25848140, 38772210, 77544420.

If you add them up, you will get the total of 77,544,563. Now subtract 77,544,420 to get 143,149,788