Q: What is the sum of all factors of the number 403,440,125 excluding 403,440,125?

A: 169,751,299

Why is 169,751,299 the sum of all factors of 403,440,125, excluding 403,440,125?

The factors of the number 403,440,125 are: 1, 5, 11, 23, 25, 55, 115, 125, 253, 275, 575, 1265, 1375, 2875, 6325, 12757, 31625, 63785, 140327, 293411, 318925, 701635, 1467055, 1594625, 3227521, 3508175, 7335275, 16137605, 17540875, 36676375, 80688025, 403440125.

If you add them up, you will get the total of 403,440,294. Now subtract 403,440,125 to get 169,751,299