51029020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{937}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 122915520

約数和(自身を除く): 71886500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 937, 1556, 1874, 1945, 2723, 3748, 3890, 4685, 5446, 6559, 7780, 9370, 10892, 13118, 13615, 18740, 26236, 27230, 32795, 54460, 65590, 131180, 364493, 728986, 1457972, 1822465, 2551451, 3644930, 5102902, 7289860, 10205804, 12757255, 25514510, 51029020]

約数ペア:

[(1, 51029020), (2, 25514510), (4, 12757255), (5, 10205804), (7, 7289860), (10, 5102902), (14, 3644930), (20, 2551451), (28, 1822465), (35, 1457972), (70, 728986), (140, 364493), (389, 131180), (778, 65590), (937, 54460), (1556, 32795), (1874, 27230), (1945, 26236), (2723, 18740), (3748, 13615), (3890, 13118), (4685, 10892), (5446, 9370), (6559, 7780)]