2013458900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{184721}}^1$

素因数の和:184844

約数の個数: 36

約数和(自身を含む): 4409314140

約数和(自身を除く): 2395855240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 184721, 369442, 738884, 923605, 1847210, 3694420, 4618025, 9236050, 18472100, 20134589, 40269178, 80538356, 100672945, 201345890, 402691780, 503364725, 1006729450, 2013458900]

約数ペア:

[(1, 2013458900), (2, 1006729450), (4, 503364725), (5, 402691780), (10, 201345890), (20, 100672945), (25, 80538356), (50, 40269178), (100, 20134589), (109, 18472100), (218, 9236050), (436, 4618025), (545, 3694420), (1090, 1847210), (2180, 923605), (2725, 738884), (5450, 369442), (10900, 184721)]