291240460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2080289}}^1$

素因数の和:2080305

約数の個数: 24

約数和(自身を含む): 698977440

約数和(自身を除く): 407736980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2080289, 4160578, 8321156, 10401445, 14562023, 20802890, 29124046, 41605780, 58248092, 72810115, 145620230, 291240460]

約数ペア:

[(1, 291240460), (2, 145620230), (4, 72810115), (5, 58248092), (7, 41605780), (10, 29124046), (14, 20802890), (20, 14562023), (28, 10401445), (35, 8321156), (70, 4160578), (140, 2080289)]