2226220

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 4737600

約数和(自身を除く): 2511380

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1409, 1580, 2818, 5636, 7045, 14090, 28180, 111311, 222622, 445244, 556555, 1113110, 2226220]

約数ペア:

[(1, 2226220), (2, 1113110), (4, 556555), (5, 445244), (10, 222622), (20, 111311), (79, 28180), (158, 14090), (316, 7045), (395, 5636), (790, 2818), (1409, 1580)]