Q: What is the sum of all factors of the number 645,520,602 excluding 645,520,602?

 A: 669,880,518

Why is 669,880,518 the sum of all factors of 645,520,602, excluding 645,520,602?

The factors of the number 645,520,602 are: 1, 2, 3, 6, 53, 106, 159, 318, 2029939, 4059878, 6089817, 12179634, 107586767, 215173534, 322760301, 645520602.

If you add them up, you will get the total of 645,521,271. Now subtract 645,520,602 to get 669,880,518


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