28030020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1009}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 78731520

約数和(自身を除く): 50701500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 463, 926, 1009, 1389, 1852, 2018, 2315, 2778, 3027, 4036, 4630, 5045, 5556, 6054, 6945, 9260, 10090, 12108, 13890, 15135, 20180, 27780, 30270, 60540, 467167, 934334, 1401501, 1868668, 2335835, 2803002, 4671670, 5606004, 7007505, 9343340, 14015010, 28030020]

約数ペア:

[(1, 28030020), (2, 14015010), (3, 9343340), (4, 7007505), (5, 5606004), (6, 4671670), (10, 2803002), (12, 2335835), (15, 1868668), (20, 1401501), (30, 934334), (60, 467167), (463, 60540), (926, 30270), (1009, 27780), (1389, 20180), (1852, 15135), (2018, 13890), (2315, 12108), (2778, 10090), (3027, 9260), (4036, 6945), (4630, 6054), (5045, 5556)]