21982180147180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{502105531}}^1$

素因数の和:502105750

約数の個数: 48

約数和(自身を含む): 50612237625600

約数和(自身を除く): 28630057478420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3980, 4378, 8756, 10945, 21890, 43780, 502105531, 1004211062, 2008422124, 2510527655, 5021055310, 5523160841, 10042110620, 11046321682, 22092643364, 27615804205, 55231608410, 99919000669, 110463216820, 199838001338, 399676002676, 499595003345, 999190006690, 1099109007359, 1998380013380, 2198218014718, 4396436029436, 5495545036795, 10991090073590, 21982180147180]

約数ペア:

[(1, 21982180147180), (2, 10991090073590), (4, 5495545036795), (5, 4396436029436), (10, 2198218014718), (11, 1998380013380), (20, 1099109007359), (22, 999190006690), (44, 499595003345), (55, 399676002676), (110, 199838001338), (199, 110463216820), (220, 99919000669), (398, 55231608410), (796, 27615804205), (995, 22092643364), (1990, 11046321682), (2189, 10042110620), (3980, 5523160841), (4378, 5021055310), (8756, 2510527655), (10945, 2008422124), (21890, 1004211062), (43780, 502105531)]