217460450

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{39901}}^1$

素因数の和:40022

約数の個数: 24

約数和(自身を含む): 408197460

約数和(自身を除く): 190737010

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 5450, 39901, 79802, 199505, 399010, 997525, 1995050, 4349209, 8698418, 21746045, 43492090, 108730225, 217460450]

約数ペア:

[(1, 217460450), (2, 108730225), (5, 43492090), (10, 21746045), (25, 8698418), (50, 4349209), (109, 1995050), (218, 997525), (545, 399010), (1090, 199505), (2725, 79802), (5450, 39901)]