231158020

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{12743}}^1$

素因数の和:13659

約数の個数: 24

約数和(自身を含む): 486005184

約数和(自身を除く): 254847164

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 3628, 4535, 9070, 12743, 18140, 25486, 50972, 63715, 127430, 254860, 11557901, 23115802, 46231604, 57789505, 115579010, 231158020]

約数ペア:

[(1, 231158020), (2, 115579010), (4, 57789505), (5, 46231604), (10, 23115802), (20, 11557901), (907, 254860), (1814, 127430), (3628, 63715), (4535, 50972), (9070, 25486), (12743, 18140)]