2223080

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 5049000

約数和(自身を除く): 2825920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 373, 596, 745, 746, 1192, 1490, 1492, 1865, 2980, 2984, 3730, 5960, 7460, 14920, 55577, 111154, 222308, 277885, 444616, 555770, 1111540, 2223080]

約数ペア:

[(1, 2223080), (2, 1111540), (4, 555770), (5, 444616), (8, 277885), (10, 222308), (20, 111154), (40, 55577), (149, 14920), (298, 7460), (373, 5960), (596, 3730), (745, 2984), (746, 2980), (1192, 1865), (1490, 1492)]