13246660

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1931}}^1$

素因数の和:1961

約数の個数: 48

約数和(自身を含む): 32457600

約数和(自身を除く): 19210940

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, 1931, 3430, 3862, 6860, 7724, 9655, 13517, 19310, 27034, 38620, 54068, 67585, 94619, 135170, 189238, 270340, 378476, 473095, 662333, 946190, 1324666, 1892380, 2649332, 3311665, 6623330, 13246660]

約数ペア:

[(1, 13246660), (2, 6623330), (4, 3311665), (5, 2649332), (7, 1892380), (10, 1324666), (14, 946190), (20, 662333), (28, 473095), (35, 378476), (49, 270340), (70, 189238), (98, 135170), (140, 94619), (196, 67585), (245, 54068), (343, 38620), (490, 27034), (686, 19310), (980, 13517), (1372, 9655), (1715, 7724), (1931, 6860), (3430, 3862)]