51168740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7459}}^1$

素因数の和:7489

約数の個数: 48

約数和(自身を含む): 125328000

約数和(自身を除く): 74159260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7459, 14918, 29836, 37295, 52213, 74590, 104426, 149180, 208852, 261065, 365491, 522130, 730982, 1044260, 1461964, 1827455, 2558437, 3654910, 5116874, 7309820, 10233748, 12792185, 25584370, 51168740]

約数ペア:

[(1, 51168740), (2, 25584370), (4, 12792185), (5, 10233748), (7, 7309820), (10, 5116874), (14, 3654910), (20, 2558437), (28, 1827455), (35, 1461964), (49, 1044260), (70, 730982), (98, 522130), (140, 365491), (196, 261065), (245, 208852), (343, 149180), (490, 104426), (686, 74590), (980, 52213), (1372, 37295), (1715, 29836), (3430, 14918), (6860, 7459)]