854880490940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2129}}^1\times {\mathrm{2868149}}^1$

素因数の和:2870294

約数の個数: 48

約数和(自身を含む): 2052677592000

約数和(自身を除く): 1197797101060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2129, 4258, 8516, 10645, 14903, 21290, 29806, 42580, 59612, 74515, 149030, 298060, 2868149, 5736298, 11472596, 14340745, 20077043, 28681490, 40154086, 57362980, 80308172, 100385215, 200770430, 401540860, 6106289221, 12212578442, 24425156884, 30531446105, 42744024547, 61062892210, 85488049094, 122125784420, 170976098188, 213720122735, 427440245470, 854880490940]

約数ペア:

[(1, 854880490940), (2, 427440245470), (4, 213720122735), (5, 170976098188), (7, 122125784420), (10, 85488049094), (14, 61062892210), (20, 42744024547), (28, 30531446105), (35, 24425156884), (70, 12212578442), (140, 6106289221), (2129, 401540860), (4258, 200770430), (8516, 100385215), (10645, 80308172), (14903, 57362980), (21290, 40154086), (29806, 28681490), (42580, 20077043), (59612, 14340745), (74515, 11472596), (149030, 5736298), (298060, 2868149)]