Q: What is the sum of all factors of the number 640,492 excluding 640,492?

 A: 546,428

Why is 546,428 the sum of all factors of 640,492, excluding 640,492?

The factors of the number 640,492 are: 1, 2, 4, 17, 34, 68, 9419, 18838, 37676, 160123, 320246, 640492.

If you add them up, you will get the total of 641,038. Now subtract 640,492 to get 546,428


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