1625830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 32

約数和(自身を含む): 3168000

約数和(自身を除く): 1542170

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 199, 215, 398, 430, 817, 995, 1634, 1990, 3781, 4085, 7562, 8170, 8557, 17114, 18905, 37810, 42785, 85570, 162583, 325166, 812915, 1625830]

約数ペア:

[(1, 1625830), (2, 812915), (5, 325166), (10, 162583), (19, 85570), (38, 42785), (43, 37810), (86, 18905), (95, 17114), (190, 8557), (199, 8170), (215, 7562), (398, 4085), (430, 3781), (817, 1990), (995, 1634)]