388105940

素因数分解:

$2^2\times 5^1\times {\mathrm{3511}}^1\times {\mathrm{5527}}^1$

素因数の和:9047

約数の個数: 24

約数和(自身を含む): 815402112

約数和(自身を除く): 427296172

約数列:

[1, 2, 4, 5, 10, 20, 3511, 5527, 7022, 11054, 14044, 17555, 22108, 27635, 35110, 55270, 70220, 110540, 19405297, 38810594, 77621188, 97026485, 194052970, 388105940]

約数ペア:

[(1, 388105940), (2, 194052970), (4, 97026485), (5, 77621188), (10, 38810594), (20, 19405297), (3511, 110540), (5527, 70220), (7022, 55270), (11054, 35110), (14044, 27635), (17555, 22108)]