207917920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{185641}}^1$

素因数の和:185663

約数の個数: 48

約数和(自身を含む): 561381408

約数和(自身を除く): 353463488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 185641, 371282, 742564, 928205, 1299487, 1485128, 1856410, 2598974, 2970256, 3712820, 5197948, 5940512, 6497435, 7425640, 10395896, 12994870, 14851280, 20791792, 25989740, 29702560, 41583584, 51979480, 103958960, 207917920]

約数ペア:

[(1, 207917920), (2, 103958960), (4, 51979480), (5, 41583584), (7, 29702560), (8, 25989740), (10, 20791792), (14, 14851280), (16, 12994870), (20, 10395896), (28, 7425640), (32, 6497435), (35, 5940512), (40, 5197948), (56, 3712820), (70, 2970256), (80, 2598974), (112, 1856410), (140, 1485128), (160, 1299487), (224, 928205), (280, 742564), (560, 371282), (1120, 185641)]