2079247900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{64373}}^1$

素因数の和:64423

約数の個数: 72

約数和(自身を含む): 5028896880

約数和(自身を除く): 2949648980

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 170, 190, 323, 340, 380, 425, 475, 646, 850, 950, 1292, 1615, 1700, 1900, 3230, 6460, 8075, 16150, 32300, 64373, 128746, 257492, 321865, 643730, 1094341, 1223087, 1287460, 1609325, 2188682, 2446174, 3218650, 4377364, 4892348, 5471705, 6115435, 6437300, 10943410, 12230870, 20792479, 21886820, 24461740, 27358525, 30577175, 41584958, 54717050, 61154350, 83169916, 103962395, 109434100, 122308700, 207924790, 415849580, 519811975, 1039623950, 2079247900]

約数ペア:

[(1, 2079247900), (2, 1039623950), (4, 519811975), (5, 415849580), (10, 207924790), (17, 122308700), (19, 109434100), (20, 103962395), (25, 83169916), (34, 61154350), (38, 54717050), (50, 41584958), (68, 30577175), (76, 27358525), (85, 24461740), (95, 21886820), (100, 20792479), (170, 12230870), (190, 10943410), (323, 6437300), (340, 6115435), (380, 5471705), (425, 4892348), (475, 4377364), (646, 3218650), (850, 2446174), (950, 2188682), (1292, 1609325), (1615, 1287460), (1700, 1223087), (1900, 1094341), (3230, 643730), (6460, 321865), (8075, 257492), (16150, 128746), (32300, 64373)]