248804980220

素因数分解:

$2^2\times 5^1\times {\mathrm{68897}}^1\times {\mathrm{180563}}^1$

素因数の和:249469

約数の個数: 24

約数和(自身を含む): 522500935824

約数和(自身を除く): 273695955604

約数列:

[1, 2, 4, 5, 10, 20, 68897, 137794, 180563, 275588, 344485, 361126, 688970, 722252, 902815, 1377940, 1805630, 3611260, 12440249011, 24880498022, 49760996044, 62201245055, 124402490110, 248804980220]

約数ペア:

[(1, 248804980220), (2, 124402490110), (4, 62201245055), (5, 49760996044), (10, 24880498022), (20, 12440249011), (68897, 3611260), (137794, 1805630), (180563, 1377940), (275588, 902815), (344485, 722252), (361126, 688970)]