Q: What is the sum of all factors of the number 400,031,138 excluding 400,031,138?

 A: 255,820,702

Why is 255,820,702 the sum of all factors of 400,031,138, excluding 400,031,138?

The factors of the number 400,031,138 are: 1, 2, 13, 26, 67, 134, 871, 1742, 229639, 459278, 2985307, 5970614, 15385813, 30771626, 200015569, 400031138.

If you add them up, you will get the total of 400,031,393. Now subtract 400,031,138 to get 255,820,702


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