Q: What is the sum of all factors of the number 400,510,125 excluding 400,510,125?

A: 323,899,587

Why is 323,899,587 the sum of all factors of 400,510,125, excluding 400,510,125?

The factors of the number 400,510,125 are: 1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 577, 617, 1125, 1731, 1851, 2885, 3085, 5193, 5553, 8655, 9255, 14425, 15425, 25965, 27765, 43275, 46275, 72125, 77125, 129825, 138825, 216375, 231375, 356009, 649125, 694125, 1068027, 1780045, 3204081, 5340135, 8900225, 16020405, 26700675, 44501125, 80102025, 133503375, 400510125.

If you add them up, you will get the total of 400,510,448. Now subtract 400,510,125 to get 323,899,587