2019606820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1311433}}^1$

素因数の和:1311460

約数の個数: 48

約数和(自身を含む): 5287701888

約数和(自身を除く): 3268095068

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1311433, 2622866, 5245732, 6557165, 9180031, 13114330, 14425763, 18360062, 26228660, 28851526, 36720124, 45900155, 57703052, 72128815, 91800310, 100980341, 144257630, 183600620, 201960682, 288515260, 403921364, 504901705, 1009803410, 2019606820]

約数ペア:

[(1, 2019606820), (2, 1009803410), (4, 504901705), (5, 403921364), (7, 288515260), (10, 201960682), (11, 183600620), (14, 144257630), (20, 100980341), (22, 91800310), (28, 72128815), (35, 57703052), (44, 45900155), (55, 36720124), (70, 28851526), (77, 26228660), (110, 18360062), (140, 14425763), (154, 13114330), (220, 9180031), (308, 6557165), (385, 5245732), (770, 2622866), (1540, 1311433)]