209079740

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{39749}}^1$

素因数の和:40021

約数の個数: 24

約数和(自身を含む): 440748000

約数和(自身を除く): 231668260

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 39749, 79498, 158996, 198745, 397490, 794980, 10453987, 20907974, 41815948, 52269935, 104539870, 209079740]

約数ペア:

[(1, 209079740), (2, 104539870), (4, 52269935), (5, 41815948), (10, 20907974), (20, 10453987), (263, 794980), (526, 397490), (1052, 198745), (1315, 158996), (2630, 79498), (5260, 39749)]