31315340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223681}}^1$

素因数の和:223697

約数の個数: 24

約数和(自身を含む): 75157152

約数和(自身を除く): 43841812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223681, 447362, 894724, 1118405, 1565767, 2236810, 3131534, 4473620, 6263068, 7828835, 15657670, 31315340]

約数ペア:

[(1, 31315340), (2, 15657670), (4, 7828835), (5, 6263068), (7, 4473620), (10, 3131534), (14, 2236810), (20, 1565767), (28, 1118405), (35, 894724), (70, 447362), (140, 223681)]