248508220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653969}}^1$

素因数の和:653997

約数の個数: 24

約数和(自身を含む): 549334800

約数和(自身を除く): 300826580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 653969, 1307938, 2615876, 3269845, 6539690, 12425411, 13079380, 24850822, 49701644, 62127055, 124254110, 248508220]

約数ペア:

[(1, 248508220), (2, 124254110), (4, 62127055), (5, 49701644), (10, 24850822), (19, 13079380), (20, 12425411), (38, 6539690), (76, 3269845), (95, 2615876), (190, 1307938), (380, 653969)]