344020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 733824

約数和(自身を除く): 389804

約数列:

[1, 2, 4, 5, 10, 20, 103, 167, 206, 334, 412, 515, 668, 835, 1030, 1670, 2060, 3340, 17201, 34402, 68804, 86005, 172010, 344020]

約数ペア:

[(1, 344020), (2, 172010), (4, 86005), (5, 68804), (10, 34402), (20, 17201), (103, 3340), (167, 2060), (206, 1670), (334, 1030), (412, 835), (515, 668)]