31051180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 69503616

約数和(自身を除く): 38452436

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 271, 337, 340, 542, 674, 1084, 1348, 1355, 1685, 2710, 3370, 4607, 5420, 5729, 6740, 9214, 11458, 18428, 22916, 23035, 28645, 46070, 57290, 91327, 92140, 114580, 182654, 365308, 456635, 913270, 1552559, 1826540, 3105118, 6210236, 7762795, 15525590, 31051180]

約数ペア:

[(1, 31051180), (2, 15525590), (4, 7762795), (5, 6210236), (10, 3105118), (17, 1826540), (20, 1552559), (34, 913270), (68, 456635), (85, 365308), (170, 182654), (271, 114580), (337, 92140), (340, 91327), (542, 57290), (674, 46070), (1084, 28645), (1348, 23035), (1355, 22916), (1685, 18428), (2710, 11458), (3370, 9214), (4607, 6740), (5420, 5729)]