851308840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{463}}^1\times {\mathrm{1069}}^1$

素因数の和:1586

約数の個数: 64

約数和(自身を含む): 1966060800

約数和(自身を除く): 1114751960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 463, 860, 926, 1069, 1720, 1852, 2138, 2315, 3704, 4276, 4630, 5345, 8552, 9260, 10690, 18520, 19909, 21380, 39818, 42760, 45967, 79636, 91934, 99545, 159272, 183868, 199090, 229835, 367736, 398180, 459670, 494947, 796360, 919340, 989894, 1838680, 1979788, 2474735, 3959576, 4949470, 9898940, 19797880, 21282721, 42565442, 85130884, 106413605, 170261768, 212827210, 425654420, 851308840]

約数ペア:

[(1, 851308840), (2, 425654420), (4, 212827210), (5, 170261768), (8, 106413605), (10, 85130884), (20, 42565442), (40, 21282721), (43, 19797880), (86, 9898940), (172, 4949470), (215, 3959576), (344, 2474735), (430, 1979788), (463, 1838680), (860, 989894), (926, 919340), (1069, 796360), (1720, 494947), (1852, 459670), (2138, 398180), (2315, 367736), (3704, 229835), (4276, 199090), (4630, 183868), (5345, 159272), (8552, 99545), (9260, 91934), (10690, 79636), (18520, 45967), (19909, 42760), (21380, 39818)]