28370090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{405287}}^1$

素因数の和:405301

約数の個数: 16

約数和(自身を含む): 58361472

約数和(自身を除く): 29991382

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 405287, 810574, 2026435, 2837009, 4052870, 5674018, 14185045, 28370090]

約数ペア:

[(1, 28370090), (2, 14185045), (5, 5674018), (7, 4052870), (10, 2837009), (14, 2026435), (35, 810574), (70, 405287)]