Q: What is the sum of all factors of the number 321,534,125 excluding 321,534,125?

A: 118,086,355

Why is 118,086,355 the sum of all factors of 321,534,125, excluding 321,534,125?

The factors of the number 321,534,125 are: 1, 5, 11, 25, 55, 125, 275, 379, 617, 1375, 1895, 3085, 4169, 6787, 9475, 15425, 20845, 33935, 47375, 77125, 104225, 169675, 233843, 521125, 848375, 1169215, 2572273, 5846075, 12861365, 29230375, 64306825, 321534125.

If you add them up, you will get the total of 321,534,243. Now subtract 321,534,125 to get 118,086,355