2151590

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4391}}^1$

素因数の和:4412

約数の個数: 24

約数和(自身を含む): 4506192

約数和(自身を除く): 2354602

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4391, 8782, 21955, 30737, 43910, 61474, 153685, 215159, 307370, 430318, 1075795, 2151590]

約数ペア:

[(1, 2151590), (2, 1075795), (5, 430318), (7, 307370), (10, 215159), (14, 153685), (35, 61474), (49, 43910), (70, 30737), (98, 21955), (245, 8782), (490, 4391)]