203423140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{248077}}^1$

素因数の和:248127

約数の個数: 24

約数和(自身を含む): 437609592

約数和(自身を除く): 234186452

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 248077, 496154, 992308, 1240385, 2480770, 4961540, 10171157, 20342314, 40684628, 50855785, 101711570, 203423140]

約数ペア:

[(1, 203423140), (2, 101711570), (4, 50855785), (5, 40684628), (10, 20342314), (20, 10171157), (41, 4961540), (82, 2480770), (164, 1240385), (205, 992308), (410, 496154), (820, 248077)]