51040780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1889}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 123197760

約数和(自身を除く): 72156980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1889, 1930, 2702, 3778, 3860, 5404, 6755, 7556, 9445, 13223, 13510, 18890, 26446, 27020, 37780, 52892, 66115, 132230, 264460, 364577, 729154, 1458308, 1822885, 2552039, 3645770, 5104078, 7291540, 10208156, 12760195, 25520390, 51040780]

約数ペア:

[(1, 51040780), (2, 25520390), (4, 12760195), (5, 10208156), (7, 7291540), (10, 5104078), (14, 3645770), (20, 2552039), (28, 1822885), (35, 1458308), (70, 729154), (140, 364577), (193, 264460), (386, 132230), (772, 66115), (965, 52892), (1351, 37780), (1889, 27020), (1930, 26446), (2702, 18890), (3778, 13510), (3860, 13223), (5404, 9445), (6755, 7556)]