2278390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3287

約数の個数: 16

約数和(自身を含む): 4160160

約数和(自身を除く): 1881770

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 3209, 6418, 16045, 32090, 227839, 455678, 1139195, 2278390]

約数ペア:

[(1, 2278390), (2, 1139195), (5, 455678), (10, 227839), (71, 32090), (142, 16045), (355, 6418), (710, 3209)]