7730540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 16964640

約数和(自身を除く): 9234100

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 101, 172, 178, 202, 215, 356, 404, 430, 445, 505, 860, 890, 1010, 1780, 2020, 3827, 4343, 7654, 8686, 8989, 15308, 17372, 17978, 19135, 21715, 35956, 38270, 43430, 44945, 76540, 86860, 89890, 179780, 386527, 773054, 1546108, 1932635, 3865270, 7730540]

約数ペア:

[(1, 7730540), (2, 3865270), (4, 1932635), (5, 1546108), (10, 773054), (20, 386527), (43, 179780), (86, 89890), (89, 86860), (101, 76540), (172, 44945), (178, 43430), (202, 38270), (215, 35956), (356, 21715), (404, 19135), (430, 17978), (445, 17372), (505, 15308), (860, 8989), (890, 8686), (1010, 7654), (1780, 4343), (2020, 3827)]