143620

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 310464

約数和(自身を除く): 166844

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 167, 172, 215, 334, 430, 668, 835, 860, 1670, 3340, 7181, 14362, 28724, 35905, 71810, 143620]

約数ペア:

[(1, 143620), (2, 71810), (4, 35905), (5, 28724), (10, 14362), (20, 7181), (43, 3340), (86, 1670), (167, 860), (172, 835), (215, 668), (334, 430)]