71438360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{255137}}^1$

素因数の和:255155

約数の個数: 32

約数和(自身を含む): 183699360

約数和(自身を除く): 112261000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 255137, 510274, 1020548, 1275685, 1785959, 2041096, 2551370, 3571918, 5102740, 7143836, 8929795, 10205480, 14287672, 17859590, 35719180, 71438360]

約数ペア:

[(1, 71438360), (2, 35719180), (4, 17859590), (5, 14287672), (7, 10205480), (8, 8929795), (10, 7143836), (14, 5102740), (20, 3571918), (28, 2551370), (35, 2041096), (40, 1785959), (56, 1275685), (70, 1020548), (140, 510274), (280, 255137)]