Q: What is the sum of all factors of the number 85,213,380 excluding 85,213,380?

A: 187,470,780

Why is 187,470,780 the sum of all factors of 85,213,380, excluding 85,213,380?

The factors of the number 85,213,380 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 202889, 405778, 608667, 811556, 1014445, 1217334, 1420223, 2028890, 2434668, 2840446, 3043335, 4057780, 4260669, 5680892, 6086670, 7101115, 8521338, 12173340, 14202230, 17042676, 21303345, 28404460, 42606690, 85213380.

If you add them up, you will get the total of 85,213,567. Now subtract 85,213,380 to get 187,470,780