Q: What is the sum of all factors of the number 420,138 excluding 420,138?

 A: 544,410

Why is 544,410 the sum of all factors of 420,138, excluding 420,138?

The factors of the number 420,138 are: 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 1373, 2746, 4119, 8238, 12357, 23341, 24714, 46682, 70023, 140046, 210069, 420138.

If you add them up, you will get the total of 420,682. Now subtract 420,138 to get 544,410


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