Q: What is the sum of all factors of the number 308,890 excluding 308,890?

 A: 313,190

Why is 313,190 the sum of all factors of 308,890, excluding 308,890?

The factors of the number 308,890 are: 1, 2, 5, 10, 17, 23, 34, 46, 79, 85, 115, 158, 170, 230, 391, 395, 782, 790, 1343, 1817, 1955, 2686, 3634, 3910, 6715, 9085, 13430, 18170, 30889, 61778, 154445, 308890.

If you add them up, you will get the total of 309,203. Now subtract 308,890 to get 313,190


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