227946440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{132527}}^1$

素因数の和:132581

約数の個数: 32

約数和(自身を含む): 524810880

約数和(自身を除く): 296864440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 132527, 265054, 530108, 662635, 1060216, 1325270, 2650540, 5301080, 5698661, 11397322, 22794644, 28493305, 45589288, 56986610, 113973220, 227946440]

約数ペア:

[(1, 227946440), (2, 113973220), (4, 56986610), (5, 45589288), (8, 28493305), (10, 22794644), (20, 11397322), (40, 5698661), (43, 5301080), (86, 2650540), (172, 1325270), (215, 1060216), (344, 662635), (430, 530108), (860, 265054), (1720, 132527)]