Q: What is the sum of all factors of the number 220,221,240 excluding 220,221,240?

A: 440,442,840

Why is 440,442,840 the sum of all factors of 220,221,240, excluding 220,221,240?

The factors of the number 220,221,240 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1835177, 3670354, 5505531, 7340708, 9175885, 11011062, 14681416, 18351770, 22022124, 27527655, 36703540, 44044248, 55055310, 73407080, 110110620, 220221240.

If you add them up, you will get the total of 220,221,680. Now subtract 220,221,240 to get 440,442,840