52555900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 121520000

約数和(自身を除く): 68964100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 139, 190, 199, 278, 380, 398, 475, 556, 695, 796, 950, 995, 1390, 1900, 1990, 2641, 2780, 3475, 3781, 3980, 4975, 5282, 6950, 7562, 9950, 10564, 13205, 13900, 15124, 18905, 19900, 26410, 27661, 37810, 52820, 55322, 66025, 75620, 94525, 110644, 132050, 138305, 189050, 264100, 276610, 378100, 525559, 553220, 691525, 1051118, 1383050, 2102236, 2627795, 2766100, 5255590, 10511180, 13138975, 26277950, 52555900]

約数ペア:

[(1, 52555900), (2, 26277950), (4, 13138975), (5, 10511180), (10, 5255590), (19, 2766100), (20, 2627795), (25, 2102236), (38, 1383050), (50, 1051118), (76, 691525), (95, 553220), (100, 525559), (139, 378100), (190, 276610), (199, 264100), (278, 189050), (380, 138305), (398, 132050), (475, 110644), (556, 94525), (695, 75620), (796, 66025), (950, 55322), (995, 52820), (1390, 37810), (1900, 27661), (1990, 26410), (2641, 19900), (2780, 18905), (3475, 15124), (3781, 13900), (3980, 13205), (4975, 10564), (5282, 9950), (6950, 7562)]