Q: What is the sum of all factors of the number 40,212,018 excluding 40,212,018?

 A: 77,291,982

Why is 77,291,982 the sum of all factors of 40,212,018, excluding 40,212,018?

The factors of the number 40,212,018 are: 1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 27, 33, 38, 42, 54, 57, 63, 66, 77, 99, 114, 126, 133, 154, 171, 189, 198, 209, 231, 266, 297, 342, 378, 399, 418, 462, 509, 513, 594, 627, 693, 798, 1018, 1026, 1197, 1254, 1386, 1463, 1527, 1881, 2079, 2394, 2926, 3054, 3563, 3591, 3762, 4158, 4389, 4581, 5599, 5643, 7126, 7182, 8778, 9162, 9671, 10689, 11198, 11286, 13167, 13743, 16797, 19342, 21378, 26334, 27486, 29013, 32067, 33594, 39193, 39501, 50391, 58026, 64134, 67697, 78386, 79002, 87039, 96201, 100782, 106381, 117579, 135394, 151173, 174078, 192402, 203091, 212762, 235158, 261117, 302346, 319143, 352737, 406182, 522234, 609273, 638286, 705474, 744667, 957429, 1058211, 1218546, 1489334, 1827819, 1914858, 2116422, 2234001, 2872287, 3655638, 4468002, 5744574, 6702003, 13404006, 20106009, 40212018.

If you add them up, you will get the total of 40,212,095. Now subtract 40,212,018 to get 77,291,982


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