27830180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1451}}^1$

素因数の和:1604

約数の個数: 48

約数和(自身を含む): 67326336

約数和(自身を除く): 39496156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1451, 1918, 2740, 2902, 3836, 4795, 5804, 7255, 9590, 10157, 14510, 19180, 20314, 29020, 40628, 50785, 101570, 198787, 203140, 397574, 795148, 993935, 1391509, 1987870, 2783018, 3975740, 5566036, 6957545, 13915090, 27830180]

約数ペア:

[(1, 27830180), (2, 13915090), (4, 6957545), (5, 5566036), (7, 3975740), (10, 2783018), (14, 1987870), (20, 1391509), (28, 993935), (35, 795148), (70, 397574), (137, 203140), (140, 198787), (274, 101570), (548, 50785), (685, 40628), (959, 29020), (1370, 20314), (1451, 19180), (1918, 14510), (2740, 10157), (2902, 9590), (3836, 7255), (4795, 5804)]