890706530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{81047}}^1$

素因数の和:81218

約数の個数: 32

約数和(自身を含む): 1844004096

約数和(自身を除く): 953297566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 157, 314, 785, 1099, 1570, 2198, 5495, 10990, 81047, 162094, 405235, 567329, 810470, 1134658, 2836645, 5673290, 12724379, 25448758, 63621895, 89070653, 127243790, 178141306, 445353265, 890706530]

約数ペア:

[(1, 890706530), (2, 445353265), (5, 178141306), (7, 127243790), (10, 89070653), (14, 63621895), (35, 25448758), (70, 12724379), (157, 5673290), (314, 2836645), (785, 1134658), (1099, 810470), (1570, 567329), (2198, 405235), (5495, 162094), (10990, 81047)]