1388390730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{3929}}^1\times {\mathrm{11779}}^1$

素因数の和:15718

約数の個数: 32

約数和(自身を含む): 3333268800

約数和(自身を除く): 1944878070

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 3929, 7858, 11779, 11787, 19645, 23558, 23574, 35337, 39290, 58895, 58935, 70674, 117790, 117870, 176685, 353370, 46279691, 92559382, 138839073, 231398455, 277678146, 462796910, 694195365, 1388390730]

約数ペア:

[(1, 1388390730), (2, 694195365), (3, 462796910), (5, 277678146), (6, 231398455), (10, 138839073), (15, 92559382), (30, 46279691), (3929, 353370), (7858, 176685), (11779, 117870), (11787, 117790), (19645, 70674), (23558, 58935), (23574, 58895), (35337, 39290)]