71727740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{3911}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 173505024

約数和(自身を除く): 101777284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 917, 1310, 1834, 2620, 3668, 3911, 4585, 7822, 9170, 15644, 18340, 19555, 27377, 39110, 54754, 78220, 109508, 136885, 273770, 512341, 547540, 1024682, 2049364, 2561705, 3586387, 5123410, 7172774, 10246820, 14345548, 17931935, 35863870, 71727740]

約数ペア:

[(1, 71727740), (2, 35863870), (4, 17931935), (5, 14345548), (7, 10246820), (10, 7172774), (14, 5123410), (20, 3586387), (28, 2561705), (35, 2049364), (70, 1024682), (131, 547540), (140, 512341), (262, 273770), (524, 136885), (655, 109508), (917, 78220), (1310, 54754), (1834, 39110), (2620, 27377), (3668, 19555), (3911, 18340), (4585, 15644), (7822, 9170)]