Q: What is the sum of all factors of the number 2,390,625 excluding 2,390,625?

A: 2,179,629

Why is 2,179,629 the sum of all factors of 2,390,625, excluding 2,390,625?

The factors of the number 2,390,625 are: 1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 625, 765, 1125, 1275, 1875, 2125, 3125, 3825, 5625, 6375, 9375, 10625, 15625, 19125, 28125, 31875, 46875, 53125, 95625, 140625, 159375, 265625, 478125, 796875, 2390625.

If you add them up, you will get the total of 2,390,627. Now subtract 2,390,625 to get 2,179,629