Q: What is the sum of all factors of the number 305,145,405 excluding 305,145,405?

 A: 223,773,375

Why is 223,773,375 the sum of all factors of 305,145,405, excluding 305,145,405?

The factors of the number 305,145,405 are: 1, 3, 5, 9, 15, 45, 6781009, 20343027, 33905045, 61029081, 101715135, 305145405.

If you add them up, you will get the total of 305,145,628. Now subtract 305,145,405 to get 223,773,375


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