5390245

素因数分解:

$5^1\times 7^4\times {\mathrm{449}}^1$

素因数の和:482

約数の個数: 20

約数和(自身を含む): 7562700

約数和(自身を除く): 2172455

約数列:

[1, 5, 7, 35, 49, 245, 343, 449, 1715, 2245, 2401, 3143, 12005, 15715, 22001, 110005, 154007, 770035, 1078049, 5390245]

約数ペア:

[(1, 5390245), (5, 1078049), (7, 770035), (35, 154007), (49, 110005), (245, 22001), (343, 15715), (449, 12005), (1715, 3143), (2245, 2401)]