55165180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 72

約数和(自身を含む): 135940896

約数和(自身を除く): 80775716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 311, 362, 490, 622, 724, 905, 980, 1244, 1267, 1555, 1810, 2177, 2534, 3110, 3620, 4354, 5068, 6220, 6335, 8708, 8869, 10885, 12670, 15239, 17738, 21770, 25340, 30478, 35476, 43540, 44345, 56291, 60956, 76195, 88690, 112582, 152390, 177380, 225164, 281455, 304780, 394037, 562910, 788074, 1125820, 1576148, 1970185, 2758259, 3940370, 5516518, 7880740, 11033036, 13791295, 27582590, 55165180]

約数ペア:

[(1, 55165180), (2, 27582590), (4, 13791295), (5, 11033036), (7, 7880740), (10, 5516518), (14, 3940370), (20, 2758259), (28, 1970185), (35, 1576148), (49, 1125820), (70, 788074), (98, 562910), (140, 394037), (181, 304780), (196, 281455), (245, 225164), (311, 177380), (362, 152390), (490, 112582), (622, 88690), (724, 76195), (905, 60956), (980, 56291), (1244, 44345), (1267, 43540), (1555, 35476), (1810, 30478), (2177, 25340), (2534, 21770), (3110, 17738), (3620, 15239), (4354, 12670), (5068, 10885), (6220, 8869), (6335, 8708)]