Q: What is the sum of all factors of the number 420,534 excluding 420,534?

 A: 507,978

Why is 507,978 the sum of all factors of 420,534, excluding 420,534?

The factors of the number 420,534 are: 1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 383, 549, 766, 1098, 1149, 2298, 3447, 6894, 23363, 46726, 70089, 140178, 210267, 420534.

If you add them up, you will get the total of 421,041. Now subtract 420,534 to get 507,978


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