196657780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{569}}^1\times {\mathrm{1571}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 451604160

約数和(自身を除く): 254946380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 569, 1138, 1571, 2276, 2845, 3142, 5690, 6259, 6284, 7855, 11380, 12518, 15710, 17281, 25036, 31295, 31420, 34562, 62590, 69124, 86405, 125180, 172810, 345620, 893899, 1787798, 3575596, 4469495, 8938990, 9832889, 17877980, 19665778, 39331556, 49164445, 98328890, 196657780]

約数ペア:

[(1, 196657780), (2, 98328890), (4, 49164445), (5, 39331556), (10, 19665778), (11, 17877980), (20, 9832889), (22, 8938990), (44, 4469495), (55, 3575596), (110, 1787798), (220, 893899), (569, 345620), (1138, 172810), (1571, 125180), (2276, 86405), (2845, 69124), (3142, 62590), (5690, 34562), (6259, 31420), (6284, 31295), (7855, 25036), (11380, 17281), (12518, 15710)]