404982910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{10711}}^1$

素因数の和:10936

約数の個数: 32

約数和(自身を含む): 771264000

約数和(自身を除く): 366281090

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 995, 1990, 3781, 7562, 10711, 18905, 21422, 37810, 53555, 107110, 203509, 407018, 1017545, 2035090, 2131489, 4262978, 10657445, 21314890, 40498291, 80996582, 202491455, 404982910]

約数ペア:

[(1, 404982910), (2, 202491455), (5, 80996582), (10, 40498291), (19, 21314890), (38, 10657445), (95, 4262978), (190, 2131489), (199, 2035090), (398, 1017545), (995, 407018), (1990, 203509), (3781, 107110), (7562, 53555), (10711, 37810), (18905, 21422)]