20171900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{28817}}^1$

素因数の和:28838

約数の個数: 36

約数和(自身を含む): 50028048

約数和(自身を除く): 29856148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 28817, 57634, 115268, 144085, 201719, 288170, 403438, 576340, 720425, 806876, 1008595, 1440850, 2017190, 2881700, 4034380, 5042975, 10085950, 20171900]

約数ペア:

[(1, 20171900), (2, 10085950), (4, 5042975), (5, 4034380), (7, 2881700), (10, 2017190), (14, 1440850), (20, 1008595), (25, 806876), (28, 720425), (35, 576340), (50, 403438), (70, 288170), (100, 201719), (140, 144085), (175, 115268), (350, 57634), (700, 28817)]