Q: What is the sum of all factors of the number 401,720,404 excluding 401,720,404?

 A: 345,078,586

Why is 345,078,586 the sum of all factors of 401,720,404, excluding 401,720,404?

The factors of the number 401,720,404 are: 1, 2, 4, 17, 34, 68, 289, 578, 1156, 347509, 695018, 1390036, 5907653, 11815306, 23630612, 100430101, 200860202, 401720404.

If you add them up, you will get the total of 401,720,749. Now subtract 401,720,404 to get 345,078,586


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