74862140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{87049}}^1$

素因数の和:87101

約数の個数: 24

約数和(自身を含む): 160868400

約数和(自身を除く): 86006260

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 87049, 174098, 348196, 435245, 870490, 1740980, 3743107, 7486214, 14972428, 18715535, 37431070, 74862140]

約数ペア:

[(1, 74862140), (2, 37431070), (4, 18715535), (5, 14972428), (10, 7486214), (20, 3743107), (43, 1740980), (86, 870490), (172, 435245), (215, 348196), (430, 174098), (860, 87049)]