2009448980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1304837}}^1$

素因数の和:1304864

約数の個数: 48

約数和(自身を含む): 5261106816

約数和(自身を除く): 3251657836

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, 1304837, 2609674, 5219348, 6524185, 9133859, 13048370, 14353207, 18267718, 26096740, 28706414, 36535436, 45669295, 57412828, 71766035, 91338590, 100472449, 143532070, 182677180, 200944898, 287064140, 401889796, 502362245, 1004724490, 2009448980]

約数ペア:

[(1, 2009448980), (2, 1004724490), (4, 502362245), (5, 401889796), (7, 287064140), (10, 200944898), (11, 182677180), (14, 143532070), (20, 100472449), (22, 91338590), (28, 71766035), (35, 57412828), (44, 45669295), (55, 36535436), (70, 28706414), (77, 26096740), (110, 18267718), (140, 14353207), (154, 13048370), (220, 9133859), (308, 6524185), (385, 5219348), (770, 2609674), (1540, 1304837)]