2738260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19559}}^1$

素因数の和:19575

約数の個数: 24

約数和(自身を含む): 6572160

約数和(自身を除く): 3833900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19559, 39118, 78236, 97795, 136913, 195590, 273826, 391180, 547652, 684565, 1369130, 2738260]

約数ペア:

[(1, 2738260), (2, 1369130), (4, 684565), (5, 547652), (7, 391180), (10, 273826), (14, 195590), (20, 136913), (28, 97795), (35, 78236), (70, 39118), (140, 19559)]