272556620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{278119}}^1$

素因数の和:278142

約数の個数: 36

約数和(自身を含む): 665819280

約数和(自身を除く): 393262660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 278119, 556238, 1112476, 1390595, 1946833, 2781190, 3893666, 5562380, 7787332, 9734165, 13627831, 19468330, 27255662, 38936660, 54511324, 68139155, 136278310, 272556620]

約数ペア:

[(1, 272556620), (2, 136278310), (4, 68139155), (5, 54511324), (7, 38936660), (10, 27255662), (14, 19468330), (20, 13627831), (28, 9734165), (35, 7787332), (49, 5562380), (70, 3893666), (98, 2781190), (140, 1946833), (196, 1390595), (245, 1112476), (490, 556238), (980, 278119)]