2149651640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1\times {\mathrm{2837}}^1$

素因数の和:3864

約数の個数: 64

約数和(自身を含む): 5098183200

約数和(自身を除く): 2948531560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 997, 1994, 2837, 3988, 4985, 5674, 7976, 9970, 11348, 14185, 18943, 19940, 22696, 28370, 37886, 39880, 53903, 56740, 75772, 94715, 107806, 113480, 151544, 189430, 215612, 269515, 378860, 431224, 539030, 757720, 1078060, 2156120, 2828489, 5656978, 11313956, 14142445, 22627912, 28284890, 53741291, 56569780, 107482582, 113139560, 214965164, 268706455, 429930328, 537412910, 1074825820, 2149651640]

約数ペア:

[(1, 2149651640), (2, 1074825820), (4, 537412910), (5, 429930328), (8, 268706455), (10, 214965164), (19, 113139560), (20, 107482582), (38, 56569780), (40, 53741291), (76, 28284890), (95, 22627912), (152, 14142445), (190, 11313956), (380, 5656978), (760, 2828489), (997, 2156120), (1994, 1078060), (2837, 757720), (3988, 539030), (4985, 431224), (5674, 378860), (7976, 269515), (9970, 215612), (11348, 189430), (14185, 151544), (18943, 113480), (19940, 107806), (22696, 94715), (28370, 75772), (37886, 56740), (39880, 53903)]