Q: What is the sum of all factors of the number 287,405,642 excluding 287,405,642?

 A: 143,789,974

Why is 143,789,974 the sum of all factors of 287,405,642, excluding 287,405,642?

The factors of the number 287,405,642 are: 1, 2, 6323, 12646, 22727, 45454, 143702821, 287405642.

If you add them up, you will get the total of 287,405,785. Now subtract 287,405,642 to get 143,789,974


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