28238140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201701}}^1$

素因数の和:201717

約数の個数: 24

約数和(自身を含む): 67771872

約数和(自身を除く): 39533732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201701, 403402, 806804, 1008505, 1411907, 2017010, 2823814, 4034020, 5647628, 7059535, 14119070, 28238140]

約数ペア:

[(1, 28238140), (2, 14119070), (4, 7059535), (5, 5647628), (7, 4034020), (10, 2823814), (14, 2017010), (20, 1411907), (28, 1008505), (35, 806804), (70, 403402), (140, 201701)]