Q: What is the sum of all factors of the number 347,880 excluding 347,880?

A: 781,080

Why is 781,080 the sum of all factors of 347,880, excluding 347,880?

The factors of the number 347,880 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 223, 260, 312, 390, 446, 520, 669, 780, 892, 1115, 1338, 1560, 1784, 2230, 2676, 2899, 3345, 4460, 5352, 5798, 6690, 8697, 8920, 11596, 13380, 14495, 17394, 23192, 26760, 28990, 34788, 43485, 57980, 69576, 86970, 115960, 173940, 347880.

If you add them up, you will get the total of 348,661. Now subtract 347,880 to get 781,080