Q: What is the sum of all factors of the number 402,404,012 excluding 402,404,012?

 A: 320,779,540

Why is 320,779,540 the sum of all factors of 402,404,012, excluding 402,404,012?

The factors of the number 402,404,012 are: 1, 2, 4, 41, 82, 164, 431, 862, 1724, 5693, 11386, 17671, 22772, 35342, 70684, 233413, 466826, 933652, 2453683, 4907366, 9814732, 100601003, 201202006, 402404012.

If you add them up, you will get the total of 402,404,332. Now subtract 402,404,012 to get 320,779,540


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