388584020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1766291}}^1$

素因数の和:1766311

約数の個数: 24

約数和(自身を含む): 890211168

約数和(自身を除く): 501627148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1766291, 3532582, 7065164, 8831455, 17662910, 19429201, 35325820, 38858402, 77716804, 97146005, 194292010, 388584020]

約数ペア:

[(1, 388584020), (2, 194292010), (4, 97146005), (5, 77716804), (10, 38858402), (11, 35325820), (20, 19429201), (22, 17662910), (44, 8831455), (55, 7065164), (110, 3532582), (220, 1766291)]