220172605

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{2801}}^1$

素因数の和:3084

約数の個数: 16

約数和(自身を含む): 268992000

約数和(自身を除く): 48819395

約数列:

[1, 5, 79, 199, 395, 995, 2801, 14005, 15721, 78605, 221279, 557399, 1106395, 2786995, 44034521, 220172605]

約数ペア:

[(1, 220172605), (5, 44034521), (79, 2786995), (199, 1106395), (395, 557399), (995, 221279), (2801, 78605), (14005, 15721)]