199746620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{525649}}^1$

素因数の和:525677

約数の個数: 24

約数和(自身を含む): 441546000

約数和(自身を除く): 241799380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 525649, 1051298, 2102596, 2628245, 5256490, 9987331, 10512980, 19974662, 39949324, 49936655, 99873310, 199746620]

約数ペア:

[(1, 199746620), (2, 99873310), (4, 49936655), (5, 39949324), (10, 19974662), (19, 10512980), (20, 9987331), (38, 5256490), (76, 2628245), (95, 2102596), (190, 1051298), (380, 525649)]