417993400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{189997}}^1$

素因数の和:190024

約数の個数: 48

約数和(自身を含む): 1060188840

約数和(自身を除く): 642195440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 189997, 379994, 759988, 949985, 1519976, 1899970, 2089967, 3799940, 4179934, 4749925, 7599880, 8359868, 9499850, 10449835, 16719736, 18999700, 20899670, 37999400, 41799340, 52249175, 83598680, 104498350, 208996700, 417993400]

約数ペア:

[(1, 417993400), (2, 208996700), (4, 104498350), (5, 83598680), (8, 52249175), (10, 41799340), (11, 37999400), (20, 20899670), (22, 18999700), (25, 16719736), (40, 10449835), (44, 9499850), (50, 8359868), (55, 7599880), (88, 4749925), (100, 4179934), (110, 3799940), (200, 2089967), (220, 1899970), (275, 1519976), (440, 949985), (550, 759988), (1100, 379994), (2200, 189997)]