18562227100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1031}}^1$

素因数の和:1220

約数の個数: 144

約数和(自身を含む): 42567275520

約数和(自身を除く): 24005048420

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 79, 86, 100, 106, 158, 172, 212, 215, 265, 316, 395, 430, 530, 790, 860, 1031, 1060, 1075, 1325, 1580, 1975, 2062, 2150, 2279, 2650, 3397, 3950, 4124, 4187, 4300, 4558, 5155, 5300, 6794, 7900, 8374, 9116, 10310, 11395, 13588, 16748, 16985, 20620, 20935, 22790, 25775, 33970, 41870, 44333, 45580, 51550, 54643, 56975, 67940, 81449, 83740, 84925, 88666, 103100, 104675, 109286, 113950, 162898, 169850, 177332, 180041, 209350, 218572, 221665, 227900, 273215, 325796, 339700, 360082, 407245, 418700, 443330, 546430, 720164, 814490, 886660, 900205, 1092860, 1108325, 1366075, 1628980, 1800410, 2036225, 2216650, 2349649, 2732150, 3502307, 3600820, 4072450, 4316797, 4433300, 4501025, 4699298, 5464300, 7004614, 8144900, 8633594, 9002050, 9398596, 11748245, 14009228, 17267188, 17511535, 18004100, 21583985, 23496490, 35023070, 43167970, 46992980, 58741225, 70046140, 86335940, 87557675, 107919925, 117482450, 175115350, 185622271, 215839850, 234964900, 350230700, 371244542, 431679700, 742489084, 928111355, 1856222710, 3712445420, 4640556775, 9281113550, 18562227100]

約数ペア:

[(1, 18562227100), (2, 9281113550), (4, 4640556775), (5, 3712445420), (10, 1856222710), (20, 928111355), (25, 742489084), (43, 431679700), (50, 371244542), (53, 350230700), (79, 234964900), (86, 215839850), (100, 185622271), (106, 175115350), (158, 117482450), (172, 107919925), (212, 87557675), (215, 86335940), (265, 70046140), (316, 58741225), (395, 46992980), (430, 43167970), (530, 35023070), (790, 23496490), (860, 21583985), (1031, 18004100), (1060, 17511535), (1075, 17267188), (1325, 14009228), (1580, 11748245), (1975, 9398596), (2062, 9002050), (2150, 8633594), (2279, 8144900), (2650, 7004614), (3397, 5464300), (3950, 4699298), (4124, 4501025), (4187, 4433300), (4300, 4316797), (4558, 4072450), (5155, 3600820), (5300, 3502307), (6794, 2732150), (7900, 2349649), (8374, 2216650), (9116, 2036225), (10310, 1800410), (11395, 1628980), (13588, 1366075), (16748, 1108325), (16985, 1092860), (20620, 900205), (20935, 886660), (22790, 814490), (25775, 720164), (33970, 546430), (41870, 443330), (44333, 418700), (45580, 407245), (51550, 360082), (54643, 339700), (56975, 325796), (67940, 273215), (81449, 227900), (83740, 221665), (84925, 218572), (88666, 209350), (103100, 180041), (104675, 177332), (109286, 169850), (113950, 162898)]