156954140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121101}}^1$

素因数の和:1121117

約数の個数: 24

約数和(自身を含む): 376690272

約数和(自身を除く): 219736132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121101, 2242202, 4484404, 5605505, 7847707, 11211010, 15695414, 22422020, 31390828, 39238535, 78477070, 156954140]

約数ペア:

[(1, 156954140), (2, 78477070), (4, 39238535), (5, 31390828), (7, 22422020), (10, 15695414), (14, 11211010), (20, 7847707), (28, 5605505), (35, 4484404), (70, 2242202), (140, 1121101)]