218762260

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{24691}}^1$

素因数の和:25143

約数の個数: 24

約数和(自身を含む): 460456416

約数和(自身を除く): 241694156

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 24691, 49382, 98764, 123455, 246910, 493820, 10938113, 21876226, 43752452, 54690565, 109381130, 218762260]

約数ペア:

[(1, 218762260), (2, 109381130), (4, 54690565), (5, 43752452), (10, 21876226), (20, 10938113), (443, 493820), (886, 246910), (1772, 123455), (2215, 98764), (4430, 49382), (8860, 24691)]