81749450

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 159096960

約数和(自身を除く): 77347510

約数列:

[1, 2, 5, 10, 25, 43, 47, 50, 86, 94, 215, 235, 430, 470, 809, 1075, 1175, 1618, 2021, 2150, 2350, 4042, 4045, 8090, 10105, 20210, 20225, 34787, 38023, 40450, 50525, 69574, 76046, 101050, 173935, 190115, 347870, 380230, 869675, 950575, 1634989, 1739350, 1901150, 3269978, 8174945, 16349890, 40874725, 81749450]

約数ペア:

[(1, 81749450), (2, 40874725), (5, 16349890), (10, 8174945), (25, 3269978), (43, 1901150), (47, 1739350), (50, 1634989), (86, 950575), (94, 869675), (215, 380230), (235, 347870), (430, 190115), (470, 173935), (809, 101050), (1075, 76046), (1175, 69574), (1618, 50525), (2021, 40450), (2150, 38023), (2350, 34787), (4042, 20225), (4045, 20210), (8090, 10105)]