513380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 1303680

約数和(自身を除く): 790300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 193, 266, 380, 386, 532, 665, 772, 965, 1330, 1351, 1930, 2660, 2702, 3667, 3860, 5404, 6755, 7334, 13510, 14668, 18335, 25669, 27020, 36670, 51338, 73340, 102676, 128345, 256690, 513380]

約数ペア:

[(1, 513380), (2, 256690), (4, 128345), (5, 102676), (7, 73340), (10, 51338), (14, 36670), (19, 27020), (20, 25669), (28, 18335), (35, 14668), (38, 13510), (70, 7334), (76, 6755), (95, 5404), (133, 3860), (140, 3667), (190, 2702), (193, 2660), (266, 1930), (380, 1351), (386, 1330), (532, 965), (665, 772)]