1990456760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1715911}}^1$

素因数の和:1715951

約数の個数: 32

約数和(自身を含む): 4632962400

約数和(自身を除く): 2642505640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1715911, 3431822, 6863644, 8579555, 13727288, 17159110, 34318220, 49761419, 68636440, 99522838, 199045676, 248807095, 398091352, 497614190, 995228380, 1990456760]

約数ペア:

[(1, 1990456760), (2, 995228380), (4, 497614190), (5, 398091352), (8, 248807095), (10, 199045676), (20, 99522838), (29, 68636440), (40, 49761419), (58, 34318220), (116, 17159110), (145, 13727288), (232, 8579555), (290, 6863644), (580, 3431822), (1160, 1715911)]