222740020

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{56533}}^1$

素因数の和:56739

約数の個数: 24

約数和(自身を含む): 470136744

約数和(自身を除く): 247396724

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 56533, 113066, 226132, 282665, 565330, 1130660, 11137001, 22274002, 44548004, 55685005, 111370010, 222740020]

約数ペア:

[(1, 222740020), (2, 111370010), (4, 55685005), (5, 44548004), (10, 22274002), (20, 11137001), (197, 1130660), (394, 565330), (788, 282665), (985, 226132), (1970, 113066), (3940, 56533)]