339918680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{1471}}^1$

素因数の和:1644

約数の個数: 64

約数和(自身を含む): 786931200

約数和(自身を除く): 447012520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 109, 212, 218, 265, 424, 436, 530, 545, 872, 1060, 1090, 1471, 2120, 2180, 2942, 4360, 5777, 5884, 7355, 11554, 11768, 14710, 23108, 28885, 29420, 46216, 57770, 58840, 77963, 115540, 155926, 160339, 231080, 311852, 320678, 389815, 623704, 641356, 779630, 801695, 1282712, 1559260, 1603390, 3118520, 3206780, 6413560, 8497967, 16995934, 33991868, 42489835, 67983736, 84979670, 169959340, 339918680]

約数ペア:

[(1, 339918680), (2, 169959340), (4, 84979670), (5, 67983736), (8, 42489835), (10, 33991868), (20, 16995934), (40, 8497967), (53, 6413560), (106, 3206780), (109, 3118520), (212, 1603390), (218, 1559260), (265, 1282712), (424, 801695), (436, 779630), (530, 641356), (545, 623704), (872, 389815), (1060, 320678), (1090, 311852), (1471, 231080), (2120, 160339), (2180, 155926), (2942, 115540), (4360, 77963), (5777, 58840), (5884, 57770), (7355, 46216), (11554, 29420), (11768, 28885), (14710, 23108)]