331401860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{385351}}^1$

素因数の和:385403

約数の個数: 24

約数和(自身を含む): 712130496

約数和(自身を除く): 380728636

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 385351, 770702, 1541404, 1926755, 3853510, 7707020, 16570093, 33140186, 66280372, 82850465, 165700930, 331401860]

約数ペア:

[(1, 331401860), (2, 165700930), (4, 82850465), (5, 66280372), (10, 33140186), (20, 16570093), (43, 7707020), (86, 3853510), (172, 1926755), (215, 1541404), (430, 770702), (860, 385351)]