2975990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2141}}^1$

素因数の和:2287

約数の個数: 16

約数和(自身を含む): 5397840

約数和(自身を除く): 2421850

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 2141, 4282, 10705, 21410, 297599, 595198, 1487995, 2975990]

約数ペア:

[(1, 2975990), (2, 1487995), (5, 595198), (10, 297599), (139, 21410), (278, 10705), (695, 4282), (1390, 2141)]