Q: What is the sum of all factors of the number 289,040 excluding 289,040?

A: 383,164

Why is 383,164 the sum of all factors of 289,040, excluding 289,040?

The factors of the number 289,040 are: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3613, 7226, 14452, 18065, 28904, 36130, 57808, 72260, 144520, 289040.

If you add them up, you will get the total of 289,423. Now subtract 289,040 to get 383,164

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