199816400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{71363}}^1$

素因数の和:71388

約数の個数: 60

約数和(自身を含む): 548646432

約数和(自身を除く): 348830032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 71363, 142726, 285452, 356815, 499541, 570904, 713630, 999082, 1141808, 1427260, 1784075, 1998164, 2497705, 2854520, 3568150, 3996328, 4995410, 5709040, 7136300, 7992656, 9990820, 12488525, 14272600, 19981640, 24977050, 28545200, 39963280, 49954100, 99908200, 199816400]

約数ペア:

[(1, 199816400), (2, 99908200), (4, 49954100), (5, 39963280), (7, 28545200), (8, 24977050), (10, 19981640), (14, 14272600), (16, 12488525), (20, 9990820), (25, 7992656), (28, 7136300), (35, 5709040), (40, 4995410), (50, 3996328), (56, 3568150), (70, 2854520), (80, 2497705), (100, 1998164), (112, 1784075), (140, 1427260), (175, 1141808), (200, 999082), (280, 713630), (350, 570904), (400, 499541), (560, 356815), (700, 285452), (1400, 142726), (2800, 71363)]