204085

素因数分解:

$5^1\times 7^4\times {\mathrm{17}}^1$

素因数の和:50

約数の個数: 20

約数和(自身を含む): 302508

約数和(自身を除く): 98423

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 343, 595, 833, 1715, 2401, 4165, 5831, 12005, 29155, 40817, 204085]

約数ペア:

[(1, 204085), (5, 40817), (7, 29155), (17, 12005), (35, 5831), (49, 4165), (85, 2401), (119, 1715), (245, 833), (343, 595)]