2178260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15559}}^1$

素因数の和:15575

約数の個数: 24

約数和(自身を含む): 5228160

約数和(自身を除く): 3049900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15559, 31118, 62236, 77795, 108913, 155590, 217826, 311180, 435652, 544565, 1089130, 2178260]

約数ペア:

[(1, 2178260), (2, 1089130), (4, 544565), (5, 435652), (7, 311180), (10, 217826), (14, 155590), (20, 108913), (28, 77795), (35, 62236), (70, 31118), (140, 15559)]