244654520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:325

約数の個数: 128

約数和(自身を含む): 626883840

約数和(自身を除く): 382229320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 67, 86, 88, 110, 134, 172, 193, 215, 220, 268, 335, 344, 386, 430, 440, 473, 536, 670, 737, 772, 860, 946, 965, 1340, 1474, 1544, 1720, 1892, 1930, 2123, 2365, 2680, 2881, 2948, 3685, 3784, 3860, 4246, 4730, 5762, 5896, 7370, 7720, 8299, 8492, 9460, 10615, 11524, 12931, 14405, 14740, 16598, 16984, 18920, 21230, 23048, 25862, 28810, 29480, 31691, 33196, 41495, 42460, 51724, 57620, 63382, 64655, 66392, 82990, 84920, 91289, 103448, 115240, 126764, 129310, 142241, 158455, 165980, 182578, 253528, 258620, 284482, 316910, 331960, 365156, 456445, 517240, 556033, 568964, 633820, 711205, 730312, 912890, 1112066, 1137928, 1267640, 1422410, 1825780, 2224132, 2780165, 2844820, 3651560, 4448264, 5560330, 5689640, 6116363, 11120660, 12232726, 22241320, 24465452, 30581815, 48930904, 61163630, 122327260, 244654520]

約数ペア:

[(1, 244654520), (2, 122327260), (4, 61163630), (5, 48930904), (8, 30581815), (10, 24465452), (11, 22241320), (20, 12232726), (22, 11120660), (40, 6116363), (43, 5689640), (44, 5560330), (55, 4448264), (67, 3651560), (86, 2844820), (88, 2780165), (110, 2224132), (134, 1825780), (172, 1422410), (193, 1267640), (215, 1137928), (220, 1112066), (268, 912890), (335, 730312), (344, 711205), (386, 633820), (430, 568964), (440, 556033), (473, 517240), (536, 456445), (670, 365156), (737, 331960), (772, 316910), (860, 284482), (946, 258620), (965, 253528), (1340, 182578), (1474, 165980), (1544, 158455), (1720, 142241), (1892, 129310), (1930, 126764), (2123, 115240), (2365, 103448), (2680, 91289), (2881, 84920), (2948, 82990), (3685, 66392), (3784, 64655), (3860, 63382), (4246, 57620), (4730, 51724), (5762, 42460), (5896, 41495), (7370, 33196), (7720, 31691), (8299, 29480), (8492, 28810), (9460, 25862), (10615, 23048), (11524, 21230), (12931, 18920), (14405, 16984), (14740, 16598)]