2120285

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 2665776

約数和(自身を除く): 545491

約数列:

[1, 5, 37, 73, 157, 185, 365, 785, 2701, 5809, 11461, 13505, 29045, 57305, 424057, 2120285]

約数ペア:

[(1, 2120285), (5, 424057), (37, 57305), (73, 29045), (157, 13505), (185, 11461), (365, 5809), (785, 2701)]