Q: What is the sum of all factors of the number 640,868 excluding 640,868?

 A: 480,658

Why is 480,658 the sum of all factors of 640,868, excluding 640,868?

The factors of the number 640,868 are: 1, 2, 4, 160217, 320434, 640868.

If you add them up, you will get the total of 641,348. Now subtract 640,868 to get 480,658


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