297220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 782208

約数和(自身を除く): 484988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 193, 220, 308, 385, 386, 770, 772, 965, 1351, 1540, 1930, 2123, 2702, 3860, 4246, 5404, 6755, 8492, 10615, 13510, 14861, 21230, 27020, 29722, 42460, 59444, 74305, 148610, 297220]

約数ペア:

[(1, 297220), (2, 148610), (4, 74305), (5, 59444), (7, 42460), (10, 29722), (11, 27020), (14, 21230), (20, 14861), (22, 13510), (28, 10615), (35, 8492), (44, 6755), (55, 5404), (70, 4246), (77, 3860), (110, 2702), (140, 2123), (154, 1930), (193, 1540), (220, 1351), (308, 965), (385, 772), (386, 770)]