2219942090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3126679}}^1$

素因数の和:3126757

約数の個数: 16

約数和(自身を含む): 4052177280

約数和(自身を除く): 1832235190

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 3126679, 6253358, 15633395, 31266790, 221994209, 443988418, 1109971045, 2219942090]

約数ペア:

[(1, 2219942090), (2, 1109971045), (5, 443988418), (10, 221994209), (71, 31266790), (142, 15633395), (355, 6253358), (710, 3126679)]