201222100

素因数分解:

$2^2\times 5^2\times {\mathrm{2012221}}^1$

素因数の和:2012235

約数の個数: 18

約数和(自身を含む): 436652174

約数和(自身を除く): 235430074

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2012221, 4024442, 8048884, 10061105, 20122210, 40244420, 50305525, 100611050, 201222100]

約数ペア:

[(1, 201222100), (2, 100611050), (4, 50305525), (5, 40244420), (10, 20122210), (20, 10061105), (25, 8048884), (50, 4024442), (100, 2012221)]