208740100

素因数分解:

$2^2\times 5^2\times {\mathrm{449}}^1\times {\mathrm{4649}}^1$

素因数の和:5112

約数の個数: 36

約数和(自身を含む): 454072500

約数和(自身を除く): 245332400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 449, 898, 1796, 2245, 4490, 4649, 8980, 9298, 11225, 18596, 22450, 23245, 44900, 46490, 92980, 116225, 232450, 464900, 2087401, 4174802, 8349604, 10437005, 20874010, 41748020, 52185025, 104370050, 208740100]

約数ペア:

[(1, 208740100), (2, 104370050), (4, 52185025), (5, 41748020), (10, 20874010), (20, 10437005), (25, 8349604), (50, 4174802), (100, 2087401), (449, 464900), (898, 232450), (1796, 116225), (2245, 92980), (4490, 46490), (4649, 44900), (8980, 23245), (9298, 22450), (11225, 18596)]