Q: What is the sum of all factors of the number 665,624,420 excluding 665,624,420?

 A: 740,274,004

Why is 740,274,004 the sum of all factors of 665,624,420, excluding 665,624,420?

The factors of the number 665,624,420 are: 1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 192377, 384754, 769508, 961885, 1923770, 3847540, 33281221, 66562442, 133124884, 166406105, 332812210, 665624420.

If you add them up, you will get the total of 665,625,160. Now subtract 665,624,420 to get 740,274,004


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