Q: What is the sum of all factors of the number 147,440 excluding 147,440?

 A: 217,120

Why is 217,120 the sum of all factors of 147,440, excluding 147,440?

The factors of the number 147,440 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 970, 1520, 1552, 1843, 1940, 3686, 3880, 7372, 7760, 9215, 14744, 18430, 29488, 36860, 73720, 147440.

If you add them up, you will get the total of 147,657. Now subtract 147,440 to get 217,120


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