77429090

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{19309}}^1$

素因数の和:19717

約数の個数: 16

約数和(自身を含む): 139727160

約数和(自身を除く): 62298070

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 19309, 38618, 96545, 193090, 7742909, 15485818, 38714545, 77429090]

約数ペア:

[(1, 77429090), (2, 38714545), (5, 15485818), (10, 7742909), (401, 193090), (802, 96545), (2005, 38618), (4010, 19309)]