196293820

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{21859}}^1$

素因数の和:22317

約数の個数: 24

約数和(自身を含む): 413154000

約数和(自身を除く): 216860180

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 21859, 43718, 87436, 109295, 218590, 437180, 9814691, 19629382, 39258764, 49073455, 98146910, 196293820]

約数ペア:

[(1, 196293820), (2, 98146910), (4, 49073455), (5, 39258764), (10, 19629382), (20, 9814691), (449, 437180), (898, 218590), (1796, 109295), (2245, 87436), (4490, 43718), (8980, 21859)]