149889790

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{37379}}^1$

素因数の和:37787

約数の個数: 16

約数和(自身を含む): 270481680

約数和(自身を除く): 120591890

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 37379, 74758, 186895, 373790, 14988979, 29977958, 74944895, 149889790]

約数ペア:

[(1, 149889790), (2, 74944895), (5, 29977958), (10, 14988979), (401, 373790), (802, 186895), (2005, 74758), (4010, 37379)]