90789580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15817}}^1$

素因数の和:15874

約数の個数: 48

約数和(自身を含む): 223223616

約数和(自身を除く): 132434036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15817, 31634, 63268, 79085, 110719, 158170, 221438, 316340, 442876, 553595, 648497, 1107190, 1296994, 2214380, 2593988, 3242485, 4539479, 6484970, 9078958, 12969940, 18157916, 22697395, 45394790, 90789580]

約数ペア:

[(1, 90789580), (2, 45394790), (4, 22697395), (5, 18157916), (7, 12969940), (10, 9078958), (14, 6484970), (20, 4539479), (28, 3242485), (35, 2593988), (41, 2214380), (70, 1296994), (82, 1107190), (140, 648497), (164, 553595), (205, 442876), (287, 316340), (410, 221438), (574, 158170), (820, 110719), (1148, 79085), (1435, 63268), (2870, 31634), (5740, 15817)]