89766910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 164736000

約数和(自身を除く): 74969090

約数列:

[1, 2, 5, 10, 79, 158, 199, 395, 398, 571, 790, 995, 1142, 1990, 2855, 5710, 15721, 31442, 45109, 78605, 90218, 113629, 157210, 225545, 227258, 451090, 568145, 1136290, 8976691, 17953382, 44883455, 89766910]

約数ペア:

[(1, 89766910), (2, 44883455), (5, 17953382), (10, 8976691), (79, 1136290), (158, 568145), (199, 451090), (395, 227258), (398, 225545), (571, 157210), (790, 113629), (995, 90218), (1142, 78605), (1990, 45109), (2855, 31442), (5710, 15721)]