Q: What is the sum of all factors of the number 390,404 excluding 390,404?

 A: 405,244

Why is 405,244 the sum of all factors of 390,404, excluding 390,404?

The factors of the number 390,404 are: 1, 2, 4, 7, 14, 28, 73, 146, 191, 292, 382, 511, 764, 1022, 1337, 2044, 2674, 5348, 13943, 27886, 55772, 97601, 195202, 390404.

If you add them up, you will get the total of 390,809. Now subtract 390,404 to get 405,244


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