28451780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203227}}^1$

素因数の和:203243

約数の個数: 24

約数和(自身を含む): 68284608

約数和(自身を除く): 39832828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203227, 406454, 812908, 1016135, 1422589, 2032270, 2845178, 4064540, 5690356, 7112945, 14225890, 28451780]

約数ペア:

[(1, 28451780), (2, 14225890), (4, 7112945), (5, 5690356), (7, 4064540), (10, 2845178), (14, 2032270), (20, 1422589), (28, 1016135), (35, 812908), (70, 406454), (140, 203227)]