Q: What is the sum of all factors of the number 642,723,145 excluding 642,723,145?

 A: 141,188,735

Why is 141,188,735 the sum of all factors of 642,723,145, excluding 642,723,145?

The factors of the number 642,723,145 are: 1, 5, 61, 305, 2107289, 10536445, 128544629, 642723145.

If you add them up, you will get the total of 642,723,286. Now subtract 642,723,145 to get 141,188,735


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