172023740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1228741}}^1$

素因数の和:1228757

約数の個数: 24

約数和(自身を含む): 412857312

約数和(自身を除く): 240833572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1228741, 2457482, 4914964, 6143705, 8601187, 12287410, 17202374, 24574820, 34404748, 43005935, 86011870, 172023740]

約数ペア:

[(1, 172023740), (2, 86011870), (4, 43005935), (5, 34404748), (7, 24574820), (10, 17202374), (14, 12287410), (20, 8601187), (28, 6143705), (35, 4914964), (70, 2457482), (140, 1228741)]