8129150

素因数分解:

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

素因数の和:273

約数の個数: 48

約数和(自身を含む): 16368000

約数和(自身を除く): 8238850

約数列:

[1, 2, 5, 10, 19, 25, 38, 43, 50, 86, 95, 190, 199, 215, 398, 430, 475, 817, 950, 995, 1075, 1634, 1990, 2150, 3781, 4085, 4975, 7562, 8170, 8557, 9950, 17114, 18905, 20425, 37810, 40850, 42785, 85570, 94525, 162583, 189050, 213925, 325166, 427850, 812915, 1625830, 4064575, 8129150]

約数ペア:

[(1, 8129150), (2, 4064575), (5, 1625830), (10, 812915), (19, 427850), (25, 325166), (38, 213925), (43, 189050), (50, 162583), (86, 94525), (95, 85570), (190, 42785), (199, 40850), (215, 37810), (398, 20425), (430, 18905), (475, 17114), (817, 9950), (950, 8557), (995, 8170), (1075, 7562), (1634, 4975), (1990, 4085), (2150, 3781)]