68791780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181031}}^1$

素因数の和:181059

約数の個数: 24

約数和(自身を含む): 152066880

約数和(自身を除く): 83275100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 181031, 362062, 724124, 905155, 1810310, 3439589, 3620620, 6879178, 13758356, 17197945, 34395890, 68791780]

約数ペア:

[(1, 68791780), (2, 34395890), (4, 17197945), (5, 13758356), (10, 6879178), (19, 3620620), (20, 3439589), (38, 1810310), (76, 905155), (95, 724124), (190, 362062), (380, 181031)]