68216540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{487261}}^1$

素因数の和:487277

約数の個数: 24

約数和(自身を含む): 163720032

約数和(自身を除く): 95503492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 487261, 974522, 1949044, 2436305, 3410827, 4872610, 6821654, 9745220, 13643308, 17054135, 34108270, 68216540]

約数ペア:

[(1, 68216540), (2, 34108270), (4, 17054135), (5, 13643308), (7, 9745220), (10, 6821654), (14, 4872610), (20, 3410827), (28, 2436305), (35, 1949044), (70, 974522), (140, 487261)]