205316410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3919}}^1$

素因数の和:3983

約数の個数: 48

約数和(自身を含む): 413199360

約数和(自身を除く): 207882950

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1690, 2015, 3919, 4030, 5239, 7838, 10478, 19595, 26195, 39190, 50947, 52390, 101894, 121489, 242978, 254735, 509470, 607445, 662311, 1214890, 1324622, 1579357, 3158714, 3311555, 6623110, 7896785, 15793570, 20531641, 41063282, 102658205, 205316410]

約数ペア:

[(1, 205316410), (2, 102658205), (5, 41063282), (10, 20531641), (13, 15793570), (26, 7896785), (31, 6623110), (62, 3311555), (65, 3158714), (130, 1579357), (155, 1324622), (169, 1214890), (310, 662311), (338, 607445), (403, 509470), (806, 254735), (845, 242978), (1690, 121489), (2015, 101894), (3919, 52390), (4030, 50947), (5239, 39190), (7838, 26195), (10478, 19595)]