208098740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{79427}}^1$

素因数の和:79567

約数の個数: 24

約数和(自身を含む): 440348832

約数和(自身を除く): 232250092

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 79427, 158854, 317708, 397135, 794270, 1588540, 10404937, 20809874, 41619748, 52024685, 104049370, 208098740]

約数ペア:

[(1, 208098740), (2, 104049370), (4, 52024685), (5, 41619748), (10, 20809874), (20, 10404937), (131, 1588540), (262, 794270), (524, 397135), (655, 317708), (1310, 158854), (2620, 79427)]