1789749020

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1\times {\mathrm{1723}}^1$

素因数の和:2210

約数の個数: 48

約数和(自身を含む): 3795337728

約数和(自身を除く): 2005588708

約数列:

[1, 2, 4, 5, 10, 20, 167, 311, 334, 622, 668, 835, 1244, 1555, 1670, 1723, 3110, 3340, 3446, 6220, 6892, 8615, 17230, 34460, 51937, 103874, 207748, 259685, 287741, 519370, 535853, 575482, 1038740, 1071706, 1150964, 1438705, 2143412, 2679265, 2877410, 5358530, 5754820, 10717060, 89487451, 178974902, 357949804, 447437255, 894874510, 1789749020]

約数ペア:

[(1, 1789749020), (2, 894874510), (4, 447437255), (5, 357949804), (10, 178974902), (20, 89487451), (167, 10717060), (311, 5754820), (334, 5358530), (622, 2877410), (668, 2679265), (835, 2143412), (1244, 1438705), (1555, 1150964), (1670, 1071706), (1723, 1038740), (3110, 575482), (3340, 535853), (3446, 519370), (6220, 287741), (6892, 259685), (8615, 207748), (17230, 103874), (34460, 51937)]