230731640

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{19687}}^1$

素因数の和:19991

約数の個数: 32

約数和(自身を含む): 520944480

約数和(自身を除く): 290212840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1172, 1465, 2344, 2930, 5860, 11720, 19687, 39374, 78748, 98435, 157496, 196870, 393740, 787480, 5768291, 11536582, 23073164, 28841455, 46146328, 57682910, 115365820, 230731640]

約数ペア:

[(1, 230731640), (2, 115365820), (4, 57682910), (5, 46146328), (8, 28841455), (10, 23073164), (20, 11536582), (40, 5768291), (293, 787480), (586, 393740), (1172, 196870), (1465, 157496), (2344, 98435), (2930, 78748), (5860, 39374), (11720, 19687)]