199070620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1421933}}^1$

素因数の和:1421949

約数の個数: 24

約数和(自身を含む): 477769824

約数和(自身を除く): 278699204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1421933, 2843866, 5687732, 7109665, 9953531, 14219330, 19907062, 28438660, 39814124, 49767655, 99535310, 199070620]

約数ペア:

[(1, 199070620), (2, 99535310), (4, 49767655), (5, 39814124), (7, 28438660), (10, 19907062), (14, 14219330), (20, 9953531), (28, 7109665), (35, 5687732), (70, 2843866), (140, 1421933)]