222719920

素因数分解:

$2^4\times 5^1\times {\mathrm{2783999}}^1$

素因数の和:2784012

約数の個数: 20

約数和(自身を含む): 517824000

約数和(自身を除く): 295104080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2783999, 5567998, 11135996, 13919995, 22271992, 27839990, 44543984, 55679980, 111359960, 222719920]

約数ペア:

[(1, 222719920), (2, 111359960), (4, 55679980), (5, 44543984), (8, 27839990), (10, 22271992), (16, 13919995), (20, 11135996), (40, 5567998), (80, 2783999)]