Q: What is the sum of all factors of the number 489,905 excluding 489,905?

 A: 143,287

Why is 143,287 the sum of all factors of 489,905, excluding 489,905?

The factors of the number 489,905 are: 1, 5, 13, 65, 7537, 37685, 97981, 489905.

If you add them up, you will get the total of 490,048. Now subtract 489,905 to get 143,287


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