138090540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{328787}}^1$

素因数の和:328806

約数の個数: 48

約数和(自身を含む): 441891072

約数和(自身を除く): 303800532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 328787, 657574, 986361, 1315148, 1643935, 1972722, 2301509, 3287870, 3945444, 4603018, 4931805, 6575740, 6904527, 9206036, 9863610, 11507545, 13809054, 19727220, 23015090, 27618108, 34522635, 46030180, 69045270, 138090540]

約数ペア:

[(1, 138090540), (2, 69045270), (3, 46030180), (4, 34522635), (5, 27618108), (6, 23015090), (7, 19727220), (10, 13809054), (12, 11507545), (14, 9863610), (15, 9206036), (20, 6904527), (21, 6575740), (28, 4931805), (30, 4603018), (35, 3945444), (42, 3287870), (60, 2301509), (70, 1972722), (84, 1643935), (105, 1315148), (140, 986361), (210, 657574), (420, 328787)]