66820460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2473}}^1$

素因数の和:2682

約数の個数: 48

約数和(自身を含む): 161265216

約数和(自身を除く): 94444756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2473, 2702, 3860, 4946, 5404, 6755, 9892, 12365, 13510, 17311, 24730, 27020, 34622, 49460, 69244, 86555, 173110, 346220, 477289, 954578, 1909156, 2386445, 3341023, 4772890, 6682046, 9545780, 13364092, 16705115, 33410230, 66820460]

約数ペア:

[(1, 66820460), (2, 33410230), (4, 16705115), (5, 13364092), (7, 9545780), (10, 6682046), (14, 4772890), (20, 3341023), (28, 2386445), (35, 1909156), (70, 954578), (140, 477289), (193, 346220), (386, 173110), (772, 86555), (965, 69244), (1351, 49460), (1930, 34622), (2473, 27020), (2702, 24730), (3860, 17311), (4946, 13510), (5404, 12365), (6755, 9892)]