139205900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 311646720

約数和(自身を除く): 172440820

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 79, 100, 134, 158, 263, 268, 316, 335, 395, 526, 670, 790, 1052, 1315, 1340, 1580, 1675, 1975, 2630, 3350, 3950, 5260, 5293, 6575, 6700, 7900, 10586, 13150, 17621, 20777, 21172, 26300, 26465, 35242, 41554, 52930, 70484, 83108, 88105, 103885, 105860, 132325, 176210, 207770, 264650, 352420, 415540, 440525, 519425, 529300, 881050, 1038850, 1392059, 1762100, 2077700, 2784118, 5568236, 6960295, 13920590, 27841180, 34801475, 69602950, 139205900]

約数ペア:

[(1, 139205900), (2, 69602950), (4, 34801475), (5, 27841180), (10, 13920590), (20, 6960295), (25, 5568236), (50, 2784118), (67, 2077700), (79, 1762100), (100, 1392059), (134, 1038850), (158, 881050), (263, 529300), (268, 519425), (316, 440525), (335, 415540), (395, 352420), (526, 264650), (670, 207770), (790, 176210), (1052, 132325), (1315, 105860), (1340, 103885), (1580, 88105), (1675, 83108), (1975, 70484), (2630, 52930), (3350, 41554), (3950, 35242), (5260, 26465), (5293, 26300), (6575, 21172), (6700, 20777), (7900, 17621), (10586, 13150)]