28250180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201787}}^1$

素因数の和:201803

約数の個数: 24

約数和(自身を含む): 67800768

約数和(自身を除く): 39550588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201787, 403574, 807148, 1008935, 1412509, 2017870, 2825018, 4035740, 5650036, 7062545, 14125090, 28250180]

約数ペア:

[(1, 28250180), (2, 14125090), (4, 7062545), (5, 5650036), (7, 4035740), (10, 2825018), (14, 2017870), (20, 1412509), (28, 1008935), (35, 807148), (70, 403574), (140, 201787)]