1399460

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 2963520

約数和(自身を除く): 1564060

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 419, 668, 835, 838, 1670, 1676, 2095, 3340, 4190, 8380, 69973, 139946, 279892, 349865, 699730, 1399460]

約数ペア:

[(1, 1399460), (2, 699730), (4, 349865), (5, 279892), (10, 139946), (20, 69973), (167, 8380), (334, 4190), (419, 3340), (668, 2095), (835, 1676), (838, 1670)]