122659220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{739}}^1$

素因数の和:984

約数の個数: 48

約数和(自身を含む): 265298880

約数和(自身を除く): 142639660

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 193, 215, 386, 430, 739, 772, 860, 965, 1478, 1930, 2956, 3695, 3860, 7390, 8299, 14780, 16598, 31777, 33196, 41495, 63554, 82990, 127108, 142627, 158885, 165980, 285254, 317770, 570508, 635540, 713135, 1426270, 2852540, 6132961, 12265922, 24531844, 30664805, 61329610, 122659220]

約数ペア:

[(1, 122659220), (2, 61329610), (4, 30664805), (5, 24531844), (10, 12265922), (20, 6132961), (43, 2852540), (86, 1426270), (172, 713135), (193, 635540), (215, 570508), (386, 317770), (430, 285254), (739, 165980), (772, 158885), (860, 142627), (965, 127108), (1478, 82990), (1930, 63554), (2956, 41495), (3695, 33196), (3860, 31777), (7390, 16598), (8299, 14780)]