391152740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{29147}}^1$

素因数の和:29228

約数の個数: 48

約数和(自身を含む): 910816704

約数和(自身を除く): 519663964

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2684, 3355, 6710, 13420, 29147, 58294, 116588, 145735, 291470, 320617, 582940, 641234, 1282468, 1603085, 1777967, 3206170, 3555934, 6412340, 7111868, 8889835, 17779670, 19557637, 35559340, 39115274, 78230548, 97788185, 195576370, 391152740]

約数ペア:

[(1, 391152740), (2, 195576370), (4, 97788185), (5, 78230548), (10, 39115274), (11, 35559340), (20, 19557637), (22, 17779670), (44, 8889835), (55, 7111868), (61, 6412340), (110, 3555934), (122, 3206170), (220, 1777967), (244, 1603085), (305, 1282468), (610, 641234), (671, 582940), (1220, 320617), (1342, 291470), (2684, 145735), (3355, 116588), (6710, 58294), (13420, 29147)]