149715640

素因数分解:

$2^3\times 5^1\times {\mathrm{3742891}}^1$

素因数の和:3742902

約数の個数: 16

約数和(自身を含む): 336860280

約数和(自身を除く): 187144640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3742891, 7485782, 14971564, 18714455, 29943128, 37428910, 74857820, 149715640]

約数ペア:

[(1, 149715640), (2, 74857820), (4, 37428910), (5, 29943128), (8, 18714455), (10, 14971564), (20, 7485782), (40, 3742891)]