28617400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{20441}}^1$

素因数の和:20464

約数の個数: 48

約数和(自身を含む): 76044240

約数和(自身を除く): 47426840

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, 20441, 40882, 81764, 102205, 143087, 163528, 204410, 286174, 408820, 511025, 572348, 715435, 817640, 1022050, 1144696, 1430870, 2044100, 2861740, 3577175, 4088200, 5723480, 7154350, 14308700, 28617400]

約数ペア:

[(1, 28617400), (2, 14308700), (4, 7154350), (5, 5723480), (7, 4088200), (8, 3577175), (10, 2861740), (14, 2044100), (20, 1430870), (25, 1144696), (28, 1022050), (35, 817640), (40, 715435), (50, 572348), (56, 511025), (70, 408820), (100, 286174), (140, 204410), (175, 163528), (200, 143087), (280, 102205), (350, 81764), (700, 40882), (1400, 20441)]