137380460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{981289}}^1$

素因数の和:981305

約数の個数: 24

約数和(自身を含む): 329713440

約数和(自身を除く): 192332980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 981289, 1962578, 3925156, 4906445, 6869023, 9812890, 13738046, 19625780, 27476092, 34345115, 68690230, 137380460]

約数ペア:

[(1, 137380460), (2, 68690230), (4, 34345115), (5, 27476092), (7, 19625780), (10, 13738046), (14, 9812890), (20, 6869023), (28, 4906445), (35, 3925156), (70, 1962578), (140, 981289)]