204514900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{20249}}^1$

素因数の和:20364

約数の個数: 36

約数和(自身を含む): 448213500

約数和(自身を除く): 243698600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 20249, 40498, 80996, 101245, 202490, 404980, 506225, 1012450, 2024900, 2045149, 4090298, 8180596, 10225745, 20451490, 40902980, 51128725, 102257450, 204514900]

約数ペア:

[(1, 204514900), (2, 102257450), (4, 51128725), (5, 40902980), (10, 20451490), (20, 10225745), (25, 8180596), (50, 4090298), (100, 2045149), (101, 2024900), (202, 1012450), (404, 506225), (505, 404980), (1010, 202490), (2020, 101245), (2525, 80996), (5050, 40498), (10100, 20249)]