489848140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{228901}}^1$

素因数の和:229017

約数の個数: 24

約数和(自身を含む): 1038299472

約数和(自身を除く): 548451332

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 228901, 457802, 915604, 1144505, 2289010, 4578020, 24492407, 48984814, 97969628, 122462035, 244924070, 489848140]

約数ペア:

[(1, 489848140), (2, 244924070), (4, 122462035), (5, 97969628), (10, 48984814), (20, 24492407), (107, 4578020), (214, 2289010), (428, 1144505), (535, 915604), (1070, 457802), (2140, 228901)]