Q: What is the sum of all factors of the number 420,615 excluding 420,615?

 A: 365,625

Why is 365,625 the sum of all factors of 420,615, excluding 420,615?

The factors of the number 420,615 are: 1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 719, 2157, 3595, 6471, 9347, 10785, 28041, 32355, 46735, 84123, 140205, 420615.

If you add them up, you will get the total of 420,980. Now subtract 420,615 to get 365,625


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