139822720

素因数分解:

$2^7\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1109}}^1$

素因数の和:1325

約数の個数: 64

約数和(自身を含む): 336263400

約数和(自身を除く): 196440680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 197, 320, 394, 640, 788, 985, 1109, 1576, 1970, 2218, 3152, 3940, 4436, 5545, 6304, 7880, 8872, 11090, 12608, 15760, 17744, 22180, 25216, 31520, 35488, 44360, 63040, 70976, 88720, 126080, 141952, 177440, 218473, 354880, 436946, 709760, 873892, 1092365, 1747784, 2184730, 3495568, 4369460, 6991136, 8738920, 13982272, 17477840, 27964544, 34955680, 69911360, 139822720]

約数ペア:

[(1, 139822720), (2, 69911360), (4, 34955680), (5, 27964544), (8, 17477840), (10, 13982272), (16, 8738920), (20, 6991136), (32, 4369460), (40, 3495568), (64, 2184730), (80, 1747784), (128, 1092365), (160, 873892), (197, 709760), (320, 436946), (394, 354880), (640, 218473), (788, 177440), (985, 141952), (1109, 126080), (1576, 88720), (1970, 70976), (2218, 63040), (3152, 44360), (3940, 35488), (4436, 31520), (5545, 25216), (6304, 22180), (7880, 17744), (8872, 15760), (11090, 12608)]