Q: What is the sum of all factors of the number 720,728 excluding 720,728?

 A: 689,752

Why is 689,752 the sum of all factors of 720,728, excluding 720,728?

The factors of the number 720,728 are: 1, 2, 4, 8, 23, 46, 92, 184, 3917, 7834, 15668, 31336, 90091, 180182, 360364, 720728.

If you add them up, you will get the total of 721,417. Now subtract 720,728 to get 689,752


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