18100460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{129289}}^1$

素因数の和:129305

約数の個数: 24

約数和(自身を含む): 43441440

約数和(自身を除く): 25340980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 129289, 258578, 517156, 646445, 905023, 1292890, 1810046, 2585780, 3620092, 4525115, 9050230, 18100460]

約数ペア:

[(1, 18100460), (2, 9050230), (4, 4525115), (5, 3620092), (7, 2585780), (10, 1810046), (14, 1292890), (20, 905023), (28, 646445), (35, 517156), (70, 258578), (140, 129289)]