750372020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{6689}}^1$

素因数の和:6848

約数の個数: 48

約数和(自身を含む): 1618444800

約数和(自身を除く): 868072780

約数列:

[1, 2, 4, 5, 10, 20, 71, 79, 142, 158, 284, 316, 355, 395, 710, 790, 1420, 1580, 5609, 6689, 11218, 13378, 22436, 26756, 28045, 33445, 56090, 66890, 112180, 133780, 474919, 528431, 949838, 1056862, 1899676, 2113724, 2374595, 2642155, 4749190, 5284310, 9498380, 10568620, 37518601, 75037202, 150074404, 187593005, 375186010, 750372020]

約数ペア:

[(1, 750372020), (2, 375186010), (4, 187593005), (5, 150074404), (10, 75037202), (20, 37518601), (71, 10568620), (79, 9498380), (142, 5284310), (158, 4749190), (284, 2642155), (316, 2374595), (355, 2113724), (395, 1899676), (710, 1056862), (790, 949838), (1420, 528431), (1580, 474919), (5609, 133780), (6689, 112180), (11218, 66890), (13378, 56090), (22436, 33445), (26756, 28045)]