49862020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 123832800

約数和(自身を除く): 73970780

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 340, 377, 389, 442, 493, 580, 754, 778, 884, 986, 1105, 1508, 1556, 1885, 1945, 1972, 2210, 2465, 3770, 3890, 4420, 4930, 5057, 6409, 6613, 7540, 7780, 9860, 10114, 11281, 12818, 13226, 20228, 22562, 25285, 25636, 26452, 32045, 33065, 45124, 50570, 56405, 64090, 66130, 85969, 101140, 112810, 128180, 132260, 146653, 171938, 191777, 225620, 293306, 343876, 383554, 429845, 586612, 733265, 767108, 859690, 958885, 1466530, 1719380, 1917770, 2493101, 2933060, 3835540, 4986202, 9972404, 12465505, 24931010, 49862020]

約数ペア:

[(1, 49862020), (2, 24931010), (4, 12465505), (5, 9972404), (10, 4986202), (13, 3835540), (17, 2933060), (20, 2493101), (26, 1917770), (29, 1719380), (34, 1466530), (52, 958885), (58, 859690), (65, 767108), (68, 733265), (85, 586612), (116, 429845), (130, 383554), (145, 343876), (170, 293306), (221, 225620), (260, 191777), (290, 171938), (340, 146653), (377, 132260), (389, 128180), (442, 112810), (493, 101140), (580, 85969), (754, 66130), (778, 64090), (884, 56405), (986, 50570), (1105, 45124), (1508, 33065), (1556, 32045), (1885, 26452), (1945, 25636), (1972, 25285), (2210, 22562), (2465, 20228), (3770, 13226), (3890, 12818), (4420, 11281), (4930, 10114), (5057, 9860), (6409, 7780), (6613, 7540)]