263264920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{569}}^1$

素因数の和:892

約数の個数: 64

約数和(自身を含む): 609444000

約数和(自身を除く): 346179080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 269, 344, 430, 538, 569, 860, 1076, 1138, 1345, 1720, 2152, 2276, 2690, 2845, 4552, 5380, 5690, 10760, 11380, 11567, 22760, 23134, 24467, 46268, 48934, 57835, 92536, 97868, 115670, 122335, 153061, 195736, 231340, 244670, 306122, 462680, 489340, 612244, 765305, 978680, 1224488, 1530610, 3061220, 6122440, 6581623, 13163246, 26326492, 32908115, 52652984, 65816230, 131632460, 263264920]

約数ペア:

[(1, 263264920), (2, 131632460), (4, 65816230), (5, 52652984), (8, 32908115), (10, 26326492), (20, 13163246), (40, 6581623), (43, 6122440), (86, 3061220), (172, 1530610), (215, 1224488), (269, 978680), (344, 765305), (430, 612244), (538, 489340), (569, 462680), (860, 306122), (1076, 244670), (1138, 231340), (1345, 195736), (1720, 153061), (2152, 122335), (2276, 115670), (2690, 97868), (2845, 92536), (4552, 57835), (5380, 48934), (5690, 46268), (10760, 24467), (11380, 23134), (11567, 22760)]