138271280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{246913}}^1$

素因数の和:246933

約数の個数: 40

約数和(自身を含む): 367408032

約数和(自身を除く): 229136752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 246913, 493826, 987652, 1234565, 1728391, 1975304, 2469130, 3456782, 3950608, 4938260, 6913564, 8641955, 9876520, 13827128, 17283910, 19753040, 27654256, 34567820, 69135640, 138271280]

約数ペア:

[(1, 138271280), (2, 69135640), (4, 34567820), (5, 27654256), (7, 19753040), (8, 17283910), (10, 13827128), (14, 9876520), (16, 8641955), (20, 6913564), (28, 4938260), (35, 3950608), (40, 3456782), (56, 2469130), (70, 1975304), (80, 1728391), (112, 1234565), (140, 987652), (280, 493826), (560, 246913)]