72339260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{516709}}^1$

素因数の和:516725

約数の個数: 24

約数和(自身を含む): 173614560

約数和(自身を除く): 101275300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 516709, 1033418, 2066836, 2583545, 3616963, 5167090, 7233926, 10334180, 14467852, 18084815, 36169630, 72339260]

約数ペア:

[(1, 72339260), (2, 36169630), (4, 18084815), (5, 14467852), (7, 10334180), (10, 7233926), (14, 5167090), (20, 3616963), (28, 2583545), (35, 2066836), (70, 1033418), (140, 516709)]