249288680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6917}}^1$

素因数の和:6998

約数の個数: 64

約数和(自身を含む): 605186640

約数和(自身を除く): 355897960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 4505, 6917, 7208, 9010, 13834, 18020, 27668, 34585, 36040, 55336, 69170, 117589, 138340, 235178, 276680, 366601, 470356, 587945, 733202, 940712, 1175890, 1466404, 1833005, 2351780, 2932808, 3666010, 4703560, 6232217, 7332020, 12464434, 14664040, 24928868, 31161085, 49857736, 62322170, 124644340, 249288680]

約数ペア:

[(1, 249288680), (2, 124644340), (4, 62322170), (5, 49857736), (8, 31161085), (10, 24928868), (17, 14664040), (20, 12464434), (34, 7332020), (40, 6232217), (53, 4703560), (68, 3666010), (85, 2932808), (106, 2351780), (136, 1833005), (170, 1466404), (212, 1175890), (265, 940712), (340, 733202), (424, 587945), (530, 470356), (680, 366601), (901, 276680), (1060, 235178), (1802, 138340), (2120, 117589), (3604, 69170), (4505, 55336), (6917, 36040), (7208, 34585), (9010, 27668), (13834, 18020)]