140320460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1002289}}^1$

素因数の和:1002305

約数の個数: 24

約数和(自身を含む): 336769440

約数和(自身を除く): 196448980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1002289, 2004578, 4009156, 5011445, 7016023, 10022890, 14032046, 20045780, 28064092, 35080115, 70160230, 140320460]

約数ペア:

[(1, 140320460), (2, 70160230), (4, 35080115), (5, 28064092), (7, 20045780), (10, 14032046), (14, 10022890), (20, 7016023), (28, 5011445), (35, 4009156), (70, 2004578), (140, 1002289)]