Q: What is the sum of all factors of the number 1,145 including 1,145?

 A: 1,380

Why is 1,380 the sum of all factors of 1,145, including 1,145?

The factors of the number 1,145 are: 1, 5, 229, 1145.

If you add them up, you will get the total of 1,380.


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