261574180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1868387}}^1$

素因数の和:1868403

約数の個数: 24

約数和(自身を含む): 627778368

約数和(自身を除く): 366204188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1868387, 3736774, 7473548, 9341935, 13078709, 18683870, 26157418, 37367740, 52314836, 65393545, 130787090, 261574180]

約数ペア:

[(1, 261574180), (2, 130787090), (4, 65393545), (5, 52314836), (7, 37367740), (10, 26157418), (14, 18683870), (20, 13078709), (28, 9341935), (35, 7473548), (70, 3736774), (140, 1868387)]