88898740

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{12959}}^1$

素因数の和:12989

約数の個数: 48

約数和(自身を含む): 217728000

約数和(自身を除く): 128829260

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, 12959, 25918, 51836, 64795, 90713, 129590, 181426, 259180, 362852, 453565, 634991, 907130, 1269982, 1814260, 2539964, 3174955, 4444937, 6349910, 8889874, 12699820, 17779748, 22224685, 44449370, 88898740]

約数ペア:

[(1, 88898740), (2, 44449370), (4, 22224685), (5, 17779748), (7, 12699820), (10, 8889874), (14, 6349910), (20, 4444937), (28, 3174955), (35, 2539964), (49, 1814260), (70, 1269982), (98, 907130), (140, 634991), (196, 453565), (245, 362852), (343, 259180), (490, 181426), (686, 129590), (980, 90713), (1372, 64795), (1715, 51836), (3430, 25918), (6860, 12959)]