9954980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 24076416

約数和(自身を除く): 14121436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 337, 422, 674, 844, 1055, 1348, 1477, 1685, 2110, 2359, 2954, 3370, 4220, 4718, 5908, 6740, 7385, 9436, 11795, 14770, 23590, 29540, 47180, 71107, 142214, 284428, 355535, 497749, 711070, 995498, 1422140, 1990996, 2488745, 4977490, 9954980]

約数ペア:

[(1, 9954980), (2, 4977490), (4, 2488745), (5, 1990996), (7, 1422140), (10, 995498), (14, 711070), (20, 497749), (28, 355535), (35, 284428), (70, 142214), (140, 71107), (211, 47180), (337, 29540), (422, 23590), (674, 14770), (844, 11795), (1055, 9436), (1348, 7385), (1477, 6740), (1685, 5908), (2110, 4718), (2359, 4220), (2954, 3370)]