30505195

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1507

約数の個数: 24

約数和(自身を含む): 43092000

約数和(自身を除く): 12586805

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 1399, 3115, 4361, 6995, 9793, 21805, 48965, 68551, 124511, 342755, 622555, 871577, 4357885, 6101039, 30505195]

約数ペア:

[(1, 30505195), (5, 6101039), (7, 4357885), (35, 871577), (49, 622555), (89, 342755), (245, 124511), (445, 68551), (623, 48965), (1399, 21805), (3115, 9793), (4361, 6995)]