18117400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{12941}}^1$

素因数の和:12964

約数の個数: 48

約数和(自身を含む): 48144240

約数和(自身を除く): 30026840

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, 12941, 25882, 51764, 64705, 90587, 103528, 129410, 181174, 258820, 323525, 362348, 452935, 517640, 647050, 724696, 905870, 1294100, 1811740, 2264675, 2588200, 3623480, 4529350, 9058700, 18117400]

約数ペア:

[(1, 18117400), (2, 9058700), (4, 4529350), (5, 3623480), (7, 2588200), (8, 2264675), (10, 1811740), (14, 1294100), (20, 905870), (25, 724696), (28, 647050), (35, 517640), (40, 452935), (50, 362348), (56, 323525), (70, 258820), (100, 181174), (140, 129410), (175, 103528), (200, 90587), (280, 64705), (350, 51764), (700, 25882), (1400, 12941)]