129718840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{190763}}^1$

素因数の和:190791

約数の個数: 32

約数和(自身を含む): 309037680

約数和(自身を除く): 179318840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 190763, 381526, 763052, 953815, 1526104, 1907630, 3242971, 3815260, 6485942, 7630520, 12971884, 16214855, 25943768, 32429710, 64859420, 129718840]

約数ペア:

[(1, 129718840), (2, 64859420), (4, 32429710), (5, 25943768), (8, 16214855), (10, 12971884), (17, 7630520), (20, 6485942), (34, 3815260), (40, 3242971), (68, 1907630), (85, 1526104), (136, 953815), (170, 763052), (340, 381526), (680, 190763)]