Q: What is the sum of all factors of the number 521,665,660 excluding 521,665,660?

 A: 584,075,060

Why is 584,075,060 the sum of all factors of 521,665,660, excluding 521,665,660?

The factors of the number 521,665,660 are: 1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 243769, 487538, 975076, 1218845, 2437690, 4875380, 26083283, 52166566, 104333132, 130416415, 260832830, 521665660.

If you add them up, you will get the total of 521,666,244. Now subtract 521,665,660 to get 584,075,060


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