339957980

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{21011}}^1$

素因数の和:21829

約数の個数: 24

約数和(自身を含む): 714828240

約数和(自身を除く): 374870260

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 21011, 42022, 84044, 105055, 210110, 420220, 16997899, 33995798, 67991596, 84989495, 169978990, 339957980]

約数ペア:

[(1, 339957980), (2, 169978990), (4, 84989495), (5, 67991596), (10, 33995798), (20, 16997899), (809, 420220), (1618, 210110), (3236, 105055), (4045, 84044), (8090, 42022), (16180, 21011)]