Q: What is the sum of all factors of the number 257,646,138 excluding 257,646,138?

 A: 280,050,438

Why is 280,050,438 the sum of all factors of 257,646,138, excluding 257,646,138?

The factors of the number 257,646,138 are: 1, 2, 3, 6, 23, 46, 69, 138, 1867001, 3734002, 5601003, 11202006, 42941023, 85882046, 128823069, 257646138.

If you add them up, you will get the total of 257,646,418. Now subtract 257,646,138 to get 280,050,438


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