318947060

素因数分解:

$2^2\times 5^1\times {\mathrm{3617}}^1\times {\mathrm{4409}}^1$

素因数の和:8035

約数の個数: 24

約数和(自身を含む): 670125960

約数和(自身を除く): 351178900

約数列:

[1, 2, 4, 5, 10, 20, 3617, 4409, 7234, 8818, 14468, 17636, 18085, 22045, 36170, 44090, 72340, 88180, 15947353, 31894706, 63789412, 79736765, 159473530, 318947060]

約数ペア:

[(1, 318947060), (2, 159473530), (4, 79736765), (5, 63789412), (10, 31894706), (20, 15947353), (3617, 88180), (4409, 72340), (7234, 44090), (8818, 36170), (14468, 22045), (17636, 18085)]