208069780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5881}}^1$

素因数の和:5980

約数の個数: 48

約数和(自身を含む): 459501840

約数和(自身を除く): 251432060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 3538, 5881, 7076, 8845, 11762, 17690, 23524, 29405, 35380, 58810, 117620, 170549, 341098, 358741, 682196, 717482, 852745, 1434964, 1705490, 1793705, 3410980, 3587410, 7174820, 10403489, 20806978, 41613956, 52017445, 104034890, 208069780]

約数ペア:

[(1, 208069780), (2, 104034890), (4, 52017445), (5, 41613956), (10, 20806978), (20, 10403489), (29, 7174820), (58, 3587410), (61, 3410980), (116, 1793705), (122, 1705490), (145, 1434964), (244, 852745), (290, 717482), (305, 682196), (580, 358741), (610, 341098), (1220, 170549), (1769, 117620), (3538, 58810), (5881, 35380), (7076, 29405), (8845, 23524), (11762, 17690)]