228570820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{104849}}^1$

素因数の和:104967

約数の個数: 24

約数和(自身を含む): 484407000

約数和(自身を除く): 255836180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 104849, 209698, 419396, 524245, 1048490, 2096980, 11428541, 22857082, 45714164, 57142705, 114285410, 228570820]

約数ペア:

[(1, 228570820), (2, 114285410), (4, 57142705), (5, 45714164), (10, 22857082), (20, 11428541), (109, 2096980), (218, 1048490), (436, 524245), (545, 419396), (1090, 209698), (2180, 104849)]