Q: What is the sum of all factors of the number 891,200 excluding 891,200?

A: 1,305,646

Why is 1,305,646 the sum of all factors of 891,200, excluding 891,200?

The factors of the number 891,200 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 557, 800, 1114, 1600, 2228, 2785, 4456, 5570, 8912, 11140, 13925, 17824, 22280, 27850, 35648, 44560, 55700, 89120, 111400, 178240, 222800, 445600, 891200.

If you add them up, you will get the total of 891,201. Now subtract 891,200 to get 1,305,646