6990340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1019}}^1$

素因数の和:1049

約数の個数: 48

約数和(自身を含む): 17136000

約数和(自身を除く): 10145660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1019, 1372, 1715, 2038, 3430, 4076, 5095, 6860, 7133, 10190, 14266, 20380, 28532, 35665, 49931, 71330, 99862, 142660, 199724, 249655, 349517, 499310, 699034, 998620, 1398068, 1747585, 3495170, 6990340]

約数ペア:

[(1, 6990340), (2, 3495170), (4, 1747585), (5, 1398068), (7, 998620), (10, 699034), (14, 499310), (20, 349517), (28, 249655), (35, 199724), (49, 142660), (70, 99862), (98, 71330), (140, 49931), (196, 35665), (245, 28532), (343, 20380), (490, 14266), (686, 10190), (980, 7133), (1019, 6860), (1372, 5095), (1715, 4076), (2038, 3430)]