Q: What is the sum of all factors of the number 420,423 excluding 420,423?

 A: 143,145

Why is 143,145 the sum of all factors of 420,423, excluding 420,423?

The factors of the number 420,423 are: 1, 3, 353, 397, 1059, 1191, 140141, 420423.

If you add them up, you will get the total of 420,566. Now subtract 420,423 to get 143,145


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