Q: What is the sum of all factors of the number 123,001,515 excluding 123,001,515?

 A: 145,193,685

Why is 145,193,685 the sum of all factors of 123,001,515, excluding 123,001,515?

The factors of the number 123,001,515 are: 1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 49, 63, 65, 91, 105, 117, 147, 195, 245, 273, 315, 343, 441, 455, 585, 613, 637, 735, 819, 1029, 1365, 1715, 1839, 1911, 2205, 3065, 3087, 3185, 4095, 4291, 4459, 5145, 5517, 5733, 7969, 9195, 9555, 12873, 13377, 15435, 21455, 22295, 23907, 27585, 28665, 30037, 38619, 39845, 40131, 55783, 64365, 66885, 71721, 90111, 119535, 150185, 167349, 193095, 200655, 210259, 270333, 278915, 358605, 390481, 450555, 502047, 630777, 836745, 1051295, 1171443, 1351665, 1892331, 1952405, 2510235, 2733367, 3153885, 3514329, 5857215, 8200101, 9461655, 13666835, 17571645, 24600303, 41000505, 123001515.

If you add them up, you will get the total of 123,001,660. Now subtract 123,001,515 to get 145,193,685


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