208038860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{611879}}^1$

素因数の和:611905

約数の個数: 24

約数和(自身を含む): 462581280

約数和(自身を除く): 254542420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 611879, 1223758, 2447516, 3059395, 6118790, 10401943, 12237580, 20803886, 41607772, 52009715, 104019430, 208038860]

約数ペア:

[(1, 208038860), (2, 104019430), (4, 52009715), (5, 41607772), (10, 20803886), (17, 12237580), (20, 10401943), (34, 6118790), (68, 3059395), (85, 2447516), (170, 1223758), (340, 611879)]