51720690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{246289}}^1$

素因数の和:246306

約数の個数: 32

約数和(自身を含む): 141863040

約数和(自身を除く): 90142350

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 246289, 492578, 738867, 1231445, 1477734, 1724023, 2462890, 3448046, 3694335, 5172069, 7388670, 8620115, 10344138, 17240230, 25860345, 51720690]

約数ペア:

[(1, 51720690), (2, 25860345), (3, 17240230), (5, 10344138), (6, 8620115), (7, 7388670), (10, 5172069), (14, 3694335), (15, 3448046), (21, 2462890), (30, 1724023), (35, 1477734), (42, 1231445), (70, 738867), (105, 492578), (210, 246289)]