Q: What is the sum of all factors of the number 420,104,145 excluding 420,104,145?

 A: 252,347,055

Why is 252,347,055 the sum of all factors of 420,104,145, excluding 420,104,145?

The factors of the number 420,104,145 are: 1, 3, 5, 15, 3257, 8599, 9771, 16285, 25797, 42995, 48855, 128985, 28006943, 84020829, 140034715, 420104145.

If you add them up, you will get the total of 420,104,397. Now subtract 420,104,145 to get 252,347,055


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