155408540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1110061}}^1$

素因数の和:1110077

約数の個数: 24

約数和(自身を含む): 372980832

約数和(自身を除く): 217572292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1110061, 2220122, 4440244, 5550305, 7770427, 11100610, 15540854, 22201220, 31081708, 38852135, 77704270, 155408540]

約数ペア:

[(1, 155408540), (2, 77704270), (4, 38852135), (5, 31081708), (7, 22201220), (10, 15540854), (14, 11100610), (20, 7770427), (28, 5550305), (35, 4440244), (70, 2220122), (140, 1110061)]