Q: What is the sum of all factors of the number 403,720,434 excluding 403,720,434?

 A: 538,294,458

Why is 538,294,458 the sum of all factors of 403,720,434, excluding 403,720,434?

The factors of the number 403,720,434 are: 1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 1725301, 3450602, 5175903, 10351806, 15527709, 22428913, 31055418, 44857826, 67286739, 134573478, 201860217, 403720434.

If you add them up, you will get the total of 403,720,972. Now subtract 403,720,434 to get 538,294,458


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