129363020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{340429}}^1$

素因数の和:340457

約数の個数: 24

約数和(自身を含む): 285961200

約数和(自身を除く): 156598180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 340429, 680858, 1361716, 1702145, 3404290, 6468151, 6808580, 12936302, 25872604, 32340755, 64681510, 129363020]

約数ペア:

[(1, 129363020), (2, 64681510), (4, 32340755), (5, 25872604), (10, 12936302), (19, 6808580), (20, 6468151), (38, 3404290), (76, 1702145), (95, 1361716), (190, 680858), (380, 340429)]