449804540

素因数分解:

$2^2\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{11399}}^1$

素因数の和:13381

約数の個数: 24

約数和(自身を含む): 945151200

約数和(自身を除く): 495346660

約数列:

[1, 2, 4, 5, 10, 20, 1973, 3946, 7892, 9865, 11399, 19730, 22798, 39460, 45596, 56995, 113990, 227980, 22490227, 44980454, 89960908, 112451135, 224902270, 449804540]

約数ペア:

[(1, 449804540), (2, 224902270), (4, 112451135), (5, 89960908), (10, 44980454), (20, 22490227), (1973, 227980), (3946, 113990), (7892, 56995), (9865, 45596), (11399, 39460), (19730, 22798)]