3314440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 64

約数和(自身を含む): 7983360

約数和(自身を除く): 4668920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 47, 82, 86, 94, 164, 172, 188, 205, 215, 235, 328, 344, 376, 410, 430, 470, 820, 860, 940, 1640, 1720, 1763, 1880, 1927, 2021, 3526, 3854, 4042, 7052, 7708, 8084, 8815, 9635, 10105, 14104, 15416, 16168, 17630, 19270, 20210, 35260, 38540, 40420, 70520, 77080, 80840, 82861, 165722, 331444, 414305, 662888, 828610, 1657220, 3314440]

約数ペア:

[(1, 3314440), (2, 1657220), (4, 828610), (5, 662888), (8, 414305), (10, 331444), (20, 165722), (40, 82861), (41, 80840), (43, 77080), (47, 70520), (82, 40420), (86, 38540), (94, 35260), (164, 20210), (172, 19270), (188, 17630), (205, 16168), (215, 15416), (235, 14104), (328, 10105), (344, 9635), (376, 8815), (410, 8084), (430, 7708), (470, 7052), (820, 4042), (860, 3854), (940, 3526), (1640, 2021), (1720, 1927), (1763, 1880)]