Q: What is the sum of all factors of the number 1,349,920 excluding 1,349,920?

Why is 2,460,320 the sum of all factors of 1,349,920, excluding 1,349,920?

The factors of the number 1,349,920 are: 1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 59, 65, 80, 88, 104, 110, 118, 130, 143, 160, 176, 208, 220, 236, 260, 286, 295, 352, 416, 440, 472, 520, 572, 590, 649, 715, 767, 880, 944, 1040, 1144, 1180, 1298, 1430, 1534, 1760, 1888, 2080, 2288, 2360, 2596, 2860, 3068, 3245, 3835, 4576, 4720, 5192, 5720, 6136, 6490, 7670, 8437, 9440, 10384, 11440, 12272, 12980, 15340, 16874, 20768, 22880, 24544, 25960, 30680, 33748, 42185, 51920, 61360, 67496, 84370, 103840, 122720, 134992, 168740, 269984, 337480, 674960, 1349920.

If you add them up, you will get the total of 1,349,922. Now subtract 1,349,920 to get 2,460,320

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