Q: What is the sum of all factors of the number 280,160 excluding 280,160?

A: 427,456

Why is 427,456 the sum of all factors of 280,160, excluding 280,160?

The factors of the number 280,160 are: 1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 103, 136, 160, 170, 206, 272, 340, 412, 515, 544, 680, 824, 1030, 1360, 1648, 1751, 2060, 2720, 3296, 3502, 4120, 7004, 8240, 8755, 14008, 16480, 17510, 28016, 35020, 56032, 70040, 140080, 280160.

If you add them up, you will get the total of 280,587. Now subtract 280,160 to get 427,456