199452860

素因数分解:

$2^2\times 5^1\times {\mathrm{2399}}^1\times {\mathrm{4157}}^1$

素因数の和:6565

約数の個数: 24

約数和(自身を含む): 419126400

約数和(自身を除く): 219673540

約数列:

[1, 2, 4, 5, 10, 20, 2399, 4157, 4798, 8314, 9596, 11995, 16628, 20785, 23990, 41570, 47980, 83140, 9972643, 19945286, 39890572, 49863215, 99726430, 199452860]

約数ペア:

[(1, 199452860), (2, 99726430), (4, 49863215), (5, 39890572), (10, 19945286), (20, 9972643), (2399, 83140), (4157, 47980), (4798, 41570), (8314, 23990), (9596, 20785), (11995, 16628)]