57546820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{761}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 128016000

約数和(自身を除く): 70469180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 380, 398, 761, 796, 995, 1522, 1990, 3044, 3781, 3805, 3980, 7562, 7610, 14459, 15124, 15220, 18905, 28918, 37810, 57836, 72295, 75620, 144590, 151439, 289180, 302878, 605756, 757195, 1514390, 2877341, 3028780, 5754682, 11509364, 14386705, 28773410, 57546820]

約数ペア:

[(1, 57546820), (2, 28773410), (4, 14386705), (5, 11509364), (10, 5754682), (19, 3028780), (20, 2877341), (38, 1514390), (76, 757195), (95, 605756), (190, 302878), (199, 289180), (380, 151439), (398, 144590), (761, 75620), (796, 72295), (995, 57836), (1522, 37810), (1990, 28918), (3044, 18905), (3781, 15220), (3805, 15124), (3980, 14459), (7562, 7610)]