Q: What is the sum of all factors of the number 404,216,520 excluding 404,216,520?

A: 811,198,200

Why is 811,198,200 the sum of all factors of 404,216,520, excluding 404,216,520?

The factors of the number 404,216,520 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 467, 934, 1401, 1868, 2335, 2802, 3736, 4670, 5604, 7005, 7213, 9340, 11208, 14010, 14426, 18680, 21639, 28020, 28852, 36065, 43278, 56040, 57704, 72130, 86556, 108195, 144260, 173112, 216390, 288520, 432780, 865560, 3368471, 6736942, 10105413, 13473884, 16842355, 20210826, 26947768, 33684710, 40421652, 50527065, 67369420, 80843304, 101054130, 134738840, 202108260, 404216520.

If you add them up, you will get the total of 404,217,331. Now subtract 404,216,520 to get 811,198,200