Q: What is the sum of all factors of the number 420,343,144 excluding 420,343,144?

 A: 428,426,876

Why is 428,426,876 the sum of all factors of 420,343,144, excluding 420,343,144?

The factors of the number 420,343,144 are: 1, 2, 4, 8, 13, 26, 52, 104, 4041761, 8083522, 16167044, 32334088, 52542893, 105085786, 210171572, 420343144.

If you add them up, you will get the total of 420,343,572. Now subtract 420,343,144 to get 428,426,876


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