171740660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{479}}^1$

素因数の和:705

約数の個数: 96

約数和(自身を含む): 447068160

約数和(自身を除く): 275327500

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 197, 260, 364, 394, 455, 479, 788, 910, 958, 985, 1379, 1820, 1916, 1970, 2395, 2561, 2758, 3353, 3940, 4790, 5122, 5516, 6227, 6706, 6895, 9580, 10244, 12454, 12805, 13412, 13790, 16765, 17927, 24908, 25610, 27580, 31135, 33530, 35854, 43589, 51220, 62270, 67060, 71708, 87178, 89635, 94363, 124540, 174356, 179270, 188726, 217945, 358540, 377452, 435890, 471815, 660541, 871780, 943630, 1226719, 1321082, 1887260, 2453438, 2642164, 3302705, 4906876, 6133595, 6605410, 8587033, 12267190, 13210820, 17174066, 24534380, 34348132, 42935165, 85870330, 171740660]

約数ペア:

[(1, 171740660), (2, 85870330), (4, 42935165), (5, 34348132), (7, 24534380), (10, 17174066), (13, 13210820), (14, 12267190), (20, 8587033), (26, 6605410), (28, 6133595), (35, 4906876), (52, 3302705), (65, 2642164), (70, 2453438), (91, 1887260), (130, 1321082), (140, 1226719), (182, 943630), (197, 871780), (260, 660541), (364, 471815), (394, 435890), (455, 377452), (479, 358540), (788, 217945), (910, 188726), (958, 179270), (985, 174356), (1379, 124540), (1820, 94363), (1916, 89635), (1970, 87178), (2395, 71708), (2561, 67060), (2758, 62270), (3353, 51220), (3940, 43589), (4790, 35854), (5122, 33530), (5516, 31135), (6227, 27580), (6706, 25610), (6895, 24908), (9580, 17927), (10244, 16765), (12454, 13790), (12805, 13412)]