208996700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{189997}}^1$

素因数の和:190022

約数の個数: 36

約数和(自身を含む): 494754792

約数和(自身を除く): 285758092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 189997, 379994, 759988, 949985, 1899970, 2089967, 3799940, 4179934, 4749925, 8359868, 9499850, 10449835, 18999700, 20899670, 41799340, 52249175, 104498350, 208996700]

約数ペア:

[(1, 208996700), (2, 104498350), (4, 52249175), (5, 41799340), (10, 20899670), (11, 18999700), (20, 10449835), (22, 9499850), (25, 8359868), (44, 4749925), (50, 4179934), (55, 3799940), (100, 2089967), (110, 1899970), (220, 949985), (275, 759988), (550, 379994), (1100, 189997)]