Q: What is the sum of all factors of the number 245,043,120 excluding 245,043,120?

 A: 654,685,008

Why is 654,685,008 the sum of all factors of 245,043,120, excluding 245,043,120?

The factors of the number 245,043,120 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 67, 70, 80, 84, 98, 105, 112, 120, 134, 140, 147, 168, 196, 201, 210, 240, 245, 268, 280, 294, 311, 335, 336, 392, 402, 420, 469, 490, 536, 560, 588, 622, 670, 735, 784, 804, 840, 933, 938, 980, 1005, 1072, 1176, 1244, 1340, 1407, 1470, 1555, 1608, 1680, 1866, 1876, 1960, 2010, 2177, 2345, 2352, 2488, 2680, 2814, 2940, 3110, 3216, 3283, 3732, 3752, 3920, 4020, 4354, 4665, 4690, 4976, 5360, 5628, 5880, 6220, 6531, 6566, 7035, 7464, 7504, 8040, 8708, 9330, 9380, 9849, 10885, 11256, 11760, 12440, 13062, 13132, 14070, 14928, 15239, 16080, 16415, 17416, 18660, 18760, 19698, 20837, 21770, 22512, 24880, 26124, 26264, 28140, 30478, 32655, 32830, 34832, 37320, 37520, 39396, 41674, 43540, 45717, 49245, 52248, 52528, 56280, 60956, 62511, 65310, 65660, 74640, 76195, 78792, 83348, 87080, 91434, 98490, 104185, 104496, 112560, 121912, 125022, 130620, 131320, 145859, 152390, 157584, 166696, 174160, 182868, 196980, 208370, 228585, 243824, 250044, 261240, 262640, 291718, 304780, 312555, 333392, 365736, 393960, 416740, 437577, 457170, 500088, 522480, 583436, 609560, 625110, 729295, 731472, 787920, 833480, 875154, 914340, 1000176, 1021013, 1166872, 1219120, 1250220, 1458590, 1666960, 1750308, 1828680, 2042026, 2187885, 2333744, 2500440, 2917180, 3063039, 3500616, 3657360, 4084052, 4375770, 5000880, 5105065, 5834360, 6126078, 7001232, 8168104, 8751540, 10210130, 11668720, 12252156, 15315195, 16336208, 17503080, 20420260, 24504312, 30630390, 35006160, 40840520, 49008624, 61260780, 81681040, 122521560, 245043120.

If you add them up, you will get the total of 245,043,774. Now subtract 245,043,120 to get 654,685,008


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