81285400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{58061}}^1$

素因数の和:58084

約数の個数: 48

約数和(自身を含む): 215990640

約数和(自身を除く): 134705240

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, 58061, 116122, 232244, 290305, 406427, 464488, 580610, 812854, 1161220, 1451525, 1625708, 2032135, 2322440, 2903050, 3251416, 4064270, 5806100, 8128540, 10160675, 11612200, 16257080, 20321350, 40642700, 81285400]

約数ペア:

[(1, 81285400), (2, 40642700), (4, 20321350), (5, 16257080), (7, 11612200), (8, 10160675), (10, 8128540), (14, 5806100), (20, 4064270), (25, 3251416), (28, 2903050), (35, 2322440), (40, 2032135), (50, 1625708), (56, 1451525), (70, 1161220), (100, 812854), (140, 580610), (175, 464488), (200, 406427), (280, 290305), (350, 232244), (700, 116122), (1400, 58061)]