Q: What is the sum of all factors of the number 305,515 excluding 305,515?

 A: 145,925

Why is 145,925 the sum of all factors of 305,515, excluding 305,515?

The factors of the number 305,515 are: 1, 5, 7, 29, 35, 43, 49, 145, 203, 215, 245, 301, 1015, 1247, 1421, 1505, 2107, 6235, 7105, 8729, 10535, 43645, 61103, 305515.

If you add them up, you will get the total of 305,660. Now subtract 305,515 to get 145,925


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