142871540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21713}}^1$

素因数の和:21776

約数の個数: 48

約数和(自身を含む): 350203392

約数和(自身を除く): 207331852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 21713, 43426, 86852, 108565, 151991, 217130, 303982, 434260, 607964, 759955, 1020511, 1519910, 2041022, 3039820, 4082044, 5102555, 7143577, 10205110, 14287154, 20410220, 28574308, 35717885, 71435770, 142871540]

約数ペア:

[(1, 142871540), (2, 71435770), (4, 35717885), (5, 28574308), (7, 20410220), (10, 14287154), (14, 10205110), (20, 7143577), (28, 5102555), (35, 4082044), (47, 3039820), (70, 2041022), (94, 1519910), (140, 1020511), (188, 759955), (235, 607964), (329, 434260), (470, 303982), (658, 217130), (940, 151991), (1316, 108565), (1645, 86852), (3290, 43426), (6580, 21713)]