222621820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{56503}}^1$

素因数の和:56709

約数の個数: 24

約数和(自身を含む): 469887264

約数和(自身を除く): 247265444

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 56503, 113006, 226012, 282515, 565030, 1130060, 11131091, 22262182, 44524364, 55655455, 111310910, 222621820]

約数ペア:

[(1, 222621820), (2, 111310910), (4, 55655455), (5, 44524364), (10, 22262182), (20, 11131091), (197, 1130060), (394, 565030), (788, 282515), (985, 226012), (1970, 113006), (3940, 56503)]