1311800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{937}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 3489360

約数和(自身を除く): 2177560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 937, 1400, 1874, 3748, 4685, 6559, 7496, 9370, 13118, 18740, 23425, 26236, 32795, 37480, 46850, 52472, 65590, 93700, 131180, 163975, 187400, 262360, 327950, 655900, 1311800]

約数ペア:

[(1, 1311800), (2, 655900), (4, 327950), (5, 262360), (7, 187400), (8, 163975), (10, 131180), (14, 93700), (20, 65590), (25, 52472), (28, 46850), (35, 37480), (40, 32795), (50, 26236), (56, 23425), (70, 18740), (100, 13118), (140, 9370), (175, 7496), (200, 6559), (280, 4685), (350, 3748), (700, 1874), (937, 1400)]