9980810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{20369}}^1$

素因数の和:20390

約数の個数: 24

約数和(自身を含む): 20899620

約数和(自身を除く): 10918810

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 20369, 40738, 101845, 142583, 203690, 285166, 712915, 998081, 1425830, 1996162, 4990405, 9980810]

約数ペア:

[(1, 9980810), (2, 4990405), (5, 1996162), (7, 1425830), (10, 998081), (14, 712915), (35, 285166), (49, 203690), (70, 142583), (98, 101845), (245, 40738), (490, 20369)]