138091380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{328789}}^1$

素因数の和:328808

約数の個数: 48

約数和(自身を含む): 441893760

約数和(自身を除く): 303802380

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, 328789, 657578, 986367, 1315156, 1643945, 1972734, 2301523, 3287890, 3945468, 4603046, 4931835, 6575780, 6904569, 9206092, 9863670, 11507615, 13809138, 19727340, 23015230, 27618276, 34522845, 46030460, 69045690, 138091380]

約数ペア:

[(1, 138091380), (2, 69045690), (3, 46030460), (4, 34522845), (5, 27618276), (6, 23015230), (7, 19727340), (10, 13809138), (12, 11507615), (14, 9863670), (15, 9206092), (20, 6904569), (21, 6575780), (28, 4931835), (30, 4603046), (35, 3945468), (42, 3287890), (60, 2301523), (70, 1972734), (84, 1643945), (105, 1315156), (140, 986367), (210, 657578), (420, 328789)]