210317120

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3889}}^1$

素因数の和:3932

約数の個数: 84

約数和(自身を含む): 542444940

約数和(自身を除く): 332127820

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 169, 208, 260, 320, 338, 416, 520, 676, 832, 845, 1040, 1352, 1690, 2080, 2704, 3380, 3889, 4160, 5408, 6760, 7778, 10816, 13520, 15556, 19445, 27040, 31112, 38890, 50557, 54080, 62224, 77780, 101114, 124448, 155560, 202228, 248896, 252785, 311120, 404456, 505570, 622240, 657241, 808912, 1011140, 1244480, 1314482, 1617824, 2022280, 2628964, 3235648, 3286205, 4044560, 5257928, 6572410, 8089120, 10515856, 13144820, 16178240, 21031712, 26289640, 42063424, 52579280, 105158560, 210317120]

約数ペア:

[(1, 210317120), (2, 105158560), (4, 52579280), (5, 42063424), (8, 26289640), (10, 21031712), (13, 16178240), (16, 13144820), (20, 10515856), (26, 8089120), (32, 6572410), (40, 5257928), (52, 4044560), (64, 3286205), (65, 3235648), (80, 2628964), (104, 2022280), (130, 1617824), (160, 1314482), (169, 1244480), (208, 1011140), (260, 808912), (320, 657241), (338, 622240), (416, 505570), (520, 404456), (676, 311120), (832, 252785), (845, 248896), (1040, 202228), (1352, 155560), (1690, 124448), (2080, 101114), (2704, 77780), (3380, 62224), (3889, 54080), (4160, 50557), (5408, 38890), (6760, 31112), (7778, 27040), (10816, 19445), (13520, 15556)]