318790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:527

約数の個数: 16

約数和(自身を含む): 583200

約数和(自身を除く): 264410

約数列:

[1, 2, 5, 10, 71, 142, 355, 449, 710, 898, 2245, 4490, 31879, 63758, 159395, 318790]

約数ペア:

[(1, 318790), (2, 159395), (5, 63758), (10, 31879), (71, 4490), (142, 2245), (355, 898), (449, 710)]