Q: What is the sum of all factors of the number 221,220,018 excluding 221,220,018?

 A: 270,380,142

Why is 270,380,142 the sum of all factors of 221,220,018, excluding 221,220,018?

The factors of the number 221,220,018 are: 1, 2, 3, 6, 9, 18, 27, 54, 4096667, 8193334, 12290001, 24580002, 36870003, 73740006, 110610009, 221220018.

If you add them up, you will get the total of 221,220,288. Now subtract 221,220,018 to get 270,380,142


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