2104985680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{197837}}^1$

素因数の和:197876

約数の個数: 80

約数和(自身を含む): 5887658880

約数和(自身を除く): 3782673200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 197837, 395674, 791348, 989185, 1384859, 1582696, 1978370, 2769718, 3165392, 3758903, 3956740, 5539436, 6924295, 7517806, 7913480, 11078872, 13848590, 15035612, 15826960, 18794515, 22157744, 26312321, 27697180, 30071224, 37589030, 52624642, 55394360, 60142448, 75178060, 105249284, 110788720, 131561605, 150356120, 210498568, 263123210, 300712240, 420997136, 526246420, 1052492840, 2104985680]

約数ペア:

[(1, 2104985680), (2, 1052492840), (4, 526246420), (5, 420997136), (7, 300712240), (8, 263123210), (10, 210498568), (14, 150356120), (16, 131561605), (19, 110788720), (20, 105249284), (28, 75178060), (35, 60142448), (38, 55394360), (40, 52624642), (56, 37589030), (70, 30071224), (76, 27697180), (80, 26312321), (95, 22157744), (112, 18794515), (133, 15826960), (140, 15035612), (152, 13848590), (190, 11078872), (266, 7913480), (280, 7517806), (304, 6924295), (380, 5539436), (532, 3956740), (560, 3758903), (665, 3165392), (760, 2769718), (1064, 1978370), (1330, 1582696), (1520, 1384859), (2128, 989185), (2660, 791348), (5320, 395674), (10640, 197837)]