4139720420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{648859}}^1$

素因数の和:648908

約数の個数: 48

約数和(自身を含む): 9810763200

約数和(自身を除く): 5671042780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 648859, 1297718, 2595436, 3244295, 6488590, 7137449, 12977180, 14274898, 18816911, 28549796, 35687245, 37633822, 71374490, 75267644, 94084555, 142748980, 188169110, 206986021, 376338220, 413972042, 827944084, 1034930105, 2069860210, 4139720420]

約数ペア:

[(1, 4139720420), (2, 2069860210), (4, 1034930105), (5, 827944084), (10, 413972042), (11, 376338220), (20, 206986021), (22, 188169110), (29, 142748980), (44, 94084555), (55, 75267644), (58, 71374490), (110, 37633822), (116, 35687245), (145, 28549796), (220, 18816911), (290, 14274898), (319, 12977180), (580, 7137449), (638, 6488590), (1276, 3244295), (1595, 2595436), (3190, 1297718), (6380, 648859)]