109478740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{15959}}^1$

素因数の和:15989

約数の個数: 48

約数和(自身を含む): 268128000

約数和(自身を除く): 158649260

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, 15959, 31918, 63836, 79795, 111713, 159590, 223426, 319180, 446852, 558565, 781991, 1117130, 1563982, 2234260, 3127964, 3909955, 5473937, 7819910, 10947874, 15639820, 21895748, 27369685, 54739370, 109478740]

約数ペア:

[(1, 109478740), (2, 54739370), (4, 27369685), (5, 21895748), (7, 15639820), (10, 10947874), (14, 7819910), (20, 5473937), (28, 3909955), (35, 3127964), (49, 2234260), (70, 1563982), (98, 1117130), (140, 781991), (196, 558565), (245, 446852), (343, 319180), (490, 223426), (686, 159590), (980, 111713), (1372, 79795), (1715, 63836), (3430, 31918), (6860, 15959)]