3940370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 8176896

約数和(自身を除く): 4236526

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 181, 311, 362, 622, 905, 1267, 1555, 1810, 2177, 2534, 3110, 4354, 6335, 10885, 12670, 21770, 56291, 112582, 281455, 394037, 562910, 788074, 1970185, 3940370]

約数ペア:

[(1, 3940370), (2, 1970185), (5, 788074), (7, 562910), (10, 394037), (14, 281455), (35, 112582), (70, 56291), (181, 21770), (311, 12670), (362, 10885), (622, 6335), (905, 4354), (1267, 3110), (1555, 2534), (1810, 2177)]