4270220

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2399}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 9072000

約数和(自身を除く): 4801780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2399, 4798, 9596, 11995, 23990, 47980, 213511, 427022, 854044, 1067555, 2135110, 4270220]

約数ペア:

[(1, 4270220), (2, 2135110), (4, 1067555), (5, 854044), (10, 427022), (20, 213511), (89, 47980), (178, 23990), (356, 11995), (445, 9596), (890, 4798), (1780, 2399)]