Q: What is the sum of all factors of the number 243,433,220 excluding 243,433,220?

 A: 271,213,780

Why is 271,213,780 the sum of all factors of 243,433,220, excluding 243,433,220?

The factors of the number 243,433,220 are: 1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 81689, 163378, 326756, 408445, 816890, 1633780, 12171661, 24343322, 48686644, 60858305, 121716610, 243433220.

If you add them up, you will get the total of 243,433,491. Now subtract 243,433,220 to get 271,213,780


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