2689610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:531

約数の個数: 48

約数和(自身を含む): 6156000

約数和(自身を除く): 3466390

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 499, 539, 770, 998, 1078, 2495, 2695, 3493, 4990, 5390, 5489, 6986, 10978, 17465, 24451, 27445, 34930, 38423, 48902, 54890, 76846, 122255, 192115, 244510, 268961, 384230, 537922, 1344805, 2689610]

約数ペア:

[(1, 2689610), (2, 1344805), (5, 537922), (7, 384230), (10, 268961), (11, 244510), (14, 192115), (22, 122255), (35, 76846), (49, 54890), (55, 48902), (70, 38423), (77, 34930), (98, 27445), (110, 24451), (154, 17465), (245, 10978), (385, 6986), (490, 5489), (499, 5390), (539, 4990), (770, 3493), (998, 2695), (1078, 2495)]