Q: What is the sum of all factors of the number 331,040 excluding 331,040?

 A: 451,420

Why is 451,420 the sum of all factors of 331,040, excluding 331,040?

The factors of the number 331,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2069, 4138, 8276, 10345, 16552, 20690, 33104, 41380, 66208, 82760, 165520, 331040.

If you add them up, you will get the total of 331,491. Now subtract 331,040 to get 451,420


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