Q: What is the sum of all factors of the number 247,840 excluding 247,840?

 A: 338,060

Why is 338,060 the sum of all factors of 247,840, excluding 247,840?

The factors of the number 247,840 are: 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1549, 3098, 6196, 7745, 12392, 15490, 24784, 30980, 49568, 61960, 123920, 247840.

If you add them up, you will get the total of 248,178. Now subtract 247,840 to get 338,060


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