299497520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2081}}^1$

素因数の和:2358

約数の個数: 80

約数和(自身を含む): 799288128

約数和(自身を除く): 499790608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 257, 280, 514, 560, 1028, 1285, 1799, 2056, 2081, 2570, 3598, 4112, 4162, 5140, 7196, 8324, 8995, 10280, 10405, 14392, 14567, 16648, 17990, 20560, 20810, 28784, 29134, 33296, 35980, 41620, 58268, 71960, 72835, 83240, 116536, 143920, 145670, 166480, 233072, 291340, 534817, 582680, 1069634, 1165360, 2139268, 2674085, 3743719, 4278536, 5348170, 7487438, 8557072, 10696340, 14974876, 18718595, 21392680, 29949752, 37437190, 42785360, 59899504, 74874380, 149748760, 299497520]

約数ペア:

[(1, 299497520), (2, 149748760), (4, 74874380), (5, 59899504), (7, 42785360), (8, 37437190), (10, 29949752), (14, 21392680), (16, 18718595), (20, 14974876), (28, 10696340), (35, 8557072), (40, 7487438), (56, 5348170), (70, 4278536), (80, 3743719), (112, 2674085), (140, 2139268), (257, 1165360), (280, 1069634), (514, 582680), (560, 534817), (1028, 291340), (1285, 233072), (1799, 166480), (2056, 145670), (2081, 143920), (2570, 116536), (3598, 83240), (4112, 72835), (4162, 71960), (5140, 58268), (7196, 41620), (8324, 35980), (8995, 33296), (10280, 29134), (10405, 28784), (14392, 20810), (14567, 20560), (16648, 17990)]