402505310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2118449}}^1$

素因数の和:2118475

約数の個数: 16

約数和(自身を含む): 762642000

約数和(自身を除く): 360136690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2118449, 4236898, 10592245, 21184490, 40250531, 80501062, 201252655, 402505310]

約数ペア:

[(1, 402505310), (2, 201252655), (5, 80501062), (10, 40250531), (19, 21184490), (38, 10592245), (95, 4236898), (190, 2118449)]