118680980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3881}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 273913920

約数和(自身を除く): 155232940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 3881, 6116, 7645, 7762, 15290, 15524, 19405, 30580, 38810, 42691, 77620, 85382, 170764, 213455, 426910, 539459, 853820, 1078918, 2157836, 2697295, 5394590, 5934049, 10789180, 11868098, 23736196, 29670245, 59340490, 118680980]

約数ペア:

[(1, 118680980), (2, 59340490), (4, 29670245), (5, 23736196), (10, 11868098), (11, 10789180), (20, 5934049), (22, 5394590), (44, 2697295), (55, 2157836), (110, 1078918), (139, 853820), (220, 539459), (278, 426910), (556, 213455), (695, 170764), (1390, 85382), (1529, 77620), (2780, 42691), (3058, 38810), (3881, 30580), (6116, 19405), (7645, 15524), (7762, 15290)]