Q: What is the sum of all factors of the number 400,404,416 excluding 400,404,416?

 A: 405,041,776

Why is 405,041,776 the sum of all factors of 400,404,416, excluding 400,404,416?

The factors of the number 400,404,416 are: 1, 2, 4, 8, 16, 32, 64, 73, 146, 292, 584, 1168, 2336, 4672, 85703, 171406, 342812, 685624, 1371248, 2742496, 5484992, 6256319, 12512638, 25025276, 50050552, 100101104, 200202208, 400404416.

If you add them up, you will get the total of 400,404,821. Now subtract 400,404,416 to get 405,041,776


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