Q: What is the sum of all factors of the number 685,400 excluding 685,400?

A: 988,600

Why is 988,600 the sum of all factors of 685,400, excluding 685,400?

The factors of the number 685,400 are: 1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 149, 184, 200, 230, 298, 460, 575, 596, 745, 920, 1150, 1192, 1490, 2300, 2980, 3427, 3725, 4600, 5960, 6854, 7450, 13708, 14900, 17135, 27416, 29800, 34270, 68540, 85675, 137080, 171350, 342700, 685400.

If you add them up, you will get the total of 686,388. Now subtract 685,400 to get 988,600