55558660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{499}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 123480000

約数和(自身を除く): 67921340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 293, 380, 499, 586, 998, 1172, 1465, 1996, 2495, 2930, 4990, 5567, 5860, 9481, 9980, 11134, 18962, 22268, 27835, 37924, 47405, 55670, 94810, 111340, 146207, 189620, 292414, 584828, 731035, 1462070, 2777933, 2924140, 5555866, 11111732, 13889665, 27779330, 55558660]

約数ペア:

[(1, 55558660), (2, 27779330), (4, 13889665), (5, 11111732), (10, 5555866), (19, 2924140), (20, 2777933), (38, 1462070), (76, 731035), (95, 584828), (190, 292414), (293, 189620), (380, 146207), (499, 111340), (586, 94810), (998, 55670), (1172, 47405), (1465, 37924), (1996, 27835), (2495, 22268), (2930, 18962), (4990, 11134), (5567, 9980), (5860, 9481)]