20431487450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{2803}}^1$

素因数の和:3312

約数の個数: 96

約数和(自身を含む): 42996087360

約数和(自身を除く): 22564599910

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 457, 550, 638, 725, 914, 1450, 1595, 2285, 2803, 3190, 4570, 5027, 5606, 7975, 10054, 11425, 13253, 14015, 15950, 22850, 25135, 26506, 28030, 30833, 50270, 61666, 66265, 70075, 81287, 125675, 132530, 140150, 145783, 154165, 162574, 251350, 291566, 308330, 331325, 406435, 662650, 728915, 770825, 812870, 894157, 1280971, 1457830, 1541650, 1788314, 2032175, 2561942, 3644575, 4064350, 4470785, 6404855, 7289150, 8941570, 12809710, 14090681, 22353925, 28181362, 32024275, 37148159, 44707850, 64048550, 70453405, 74296318, 140906810, 185740795, 352267025, 371481590, 408629749, 704534050, 817259498, 928703975, 1857407950, 2043148745, 4086297490, 10215743725, 20431487450]

約数ペア:

[(1, 20431487450), (2, 10215743725), (5, 4086297490), (10, 2043148745), (11, 1857407950), (22, 928703975), (25, 817259498), (29, 704534050), (50, 408629749), (55, 371481590), (58, 352267025), (110, 185740795), (145, 140906810), (275, 74296318), (290, 70453405), (319, 64048550), (457, 44707850), (550, 37148159), (638, 32024275), (725, 28181362), (914, 22353925), (1450, 14090681), (1595, 12809710), (2285, 8941570), (2803, 7289150), (3190, 6404855), (4570, 4470785), (5027, 4064350), (5606, 3644575), (7975, 2561942), (10054, 2032175), (11425, 1788314), (13253, 1541650), (14015, 1457830), (15950, 1280971), (22850, 894157), (25135, 812870), (26506, 770825), (28030, 728915), (30833, 662650), (50270, 406435), (61666, 331325), (66265, 308330), (70075, 291566), (81287, 251350), (125675, 162574), (132530, 154165), (140150, 145783)]