Q: What is the sum of all factors of the number 245 excluding 245?

 A: 97

Why is 97 the sum of all factors of 245, excluding 245?

The factors of the number 245 are: 1, 5, 7, 35, 49, 245.

If you add them up, you will get the total of 342. Now subtract 245 to get 97


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