4278260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{30559}}^1$

素因数の和:30575

約数の個数: 24

約数和(自身を含む): 10268160

約数和(自身を除く): 5989900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 30559, 61118, 122236, 152795, 213913, 305590, 427826, 611180, 855652, 1069565, 2139130, 4278260]

約数ペア:

[(1, 4278260), (2, 2139130), (4, 1069565), (5, 855652), (7, 611180), (10, 427826), (14, 305590), (20, 213913), (28, 152795), (35, 122236), (70, 61118), (140, 30559)]