128157400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{91541}}^1$

素因数の和:91564

約数の個数: 48

約数和(自身を含む): 340536240

約数和(自身を除く): 212378840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 91541, 183082, 366164, 457705, 640787, 732328, 915410, 1281574, 1830820, 2288525, 2563148, 3203935, 3661640, 4577050, 5126296, 6407870, 9154100, 12815740, 16019675, 18308200, 25631480, 32039350, 64078700, 128157400]

約数ペア:

[(1, 128157400), (2, 64078700), (4, 32039350), (5, 25631480), (7, 18308200), (8, 16019675), (10, 12815740), (14, 9154100), (20, 6407870), (25, 5126296), (28, 4577050), (35, 3661640), (40, 3203935), (50, 2563148), (56, 2288525), (70, 1830820), (100, 1281574), (140, 915410), (175, 732328), (200, 640787), (280, 457705), (350, 366164), (700, 183082), (1400, 91541)]