2000509070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{321109}}^1$

素因数の和:321212

約数の個数: 32

約数和(自身を含む): 4161585600

約数和(自身を除く): 2161076530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 6230, 321109, 642218, 1605545, 2247763, 3211090, 4495526, 11238815, 22477630, 28578701, 57157402, 142893505, 200050907, 285787010, 400101814, 1000254535, 2000509070]

約数ペア:

[(1, 2000509070), (2, 1000254535), (5, 400101814), (7, 285787010), (10, 200050907), (14, 142893505), (35, 57157402), (70, 28578701), (89, 22477630), (178, 11238815), (445, 4495526), (623, 3211090), (890, 2247763), (1246, 1605545), (3115, 642218), (6230, 321109)]