68855080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{245911}}^1$

素因数の和:245929

約数の個数: 32

約数和(自身を含む): 177056640

約数和(自身を除く): 108201560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 245911, 491822, 983644, 1229555, 1721377, 1967288, 2459110, 3442754, 4918220, 6885508, 8606885, 9836440, 13771016, 17213770, 34427540, 68855080]

約数ペア:

[(1, 68855080), (2, 34427540), (4, 17213770), (5, 13771016), (7, 9836440), (8, 8606885), (10, 6885508), (14, 4918220), (20, 3442754), (28, 2459110), (35, 1967288), (40, 1721377), (56, 1229555), (70, 983644), (140, 491822), (280, 245911)]