Q: What is the sum of all factors of the number 421,388 excluding 421,388?

 A: 401,476

Why is 401,476 the sum of all factors of 421,388, excluding 421,388?

The factors of the number 421,388 are: 1, 2, 4, 11, 22, 44, 61, 122, 157, 244, 314, 628, 671, 1342, 1727, 2684, 3454, 6908, 9577, 19154, 38308, 105347, 210694, 421388.

If you add them up, you will get the total of 421,789. Now subtract 421,388 to get 401,476


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