168020900

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{3301}}^1$

素因数の和:3824

約数の個数: 36

約数和(自身を含む): 365432340

約数和(自身を除く): 197411440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 2036, 2545, 3301, 5090, 6602, 10180, 12725, 13204, 16505, 25450, 33010, 50900, 66020, 82525, 165050, 330100, 1680209, 3360418, 6720836, 8401045, 16802090, 33604180, 42005225, 84010450, 168020900]

約数ペア:

[(1, 168020900), (2, 84010450), (4, 42005225), (5, 33604180), (10, 16802090), (20, 8401045), (25, 6720836), (50, 3360418), (100, 1680209), (509, 330100), (1018, 165050), (2036, 82525), (2545, 66020), (3301, 50900), (5090, 33010), (6602, 25450), (10180, 16505), (12725, 13204)]