1650340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 3769920

約数和(自身を除く): 2119580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 101, 172, 190, 202, 215, 380, 404, 430, 505, 817, 860, 1010, 1634, 1919, 2020, 3268, 3838, 4085, 4343, 7676, 8170, 8686, 9595, 16340, 17372, 19190, 21715, 38380, 43430, 82517, 86860, 165034, 330068, 412585, 825170, 1650340]

約数ペア:

[(1, 1650340), (2, 825170), (4, 412585), (5, 330068), (10, 165034), (19, 86860), (20, 82517), (38, 43430), (43, 38380), (76, 21715), (86, 19190), (95, 17372), (101, 16340), (172, 9595), (190, 8686), (202, 8170), (215, 7676), (380, 4343), (404, 4085), (430, 3838), (505, 3268), (817, 2020), (860, 1919), (1010, 1634)]