205320990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{977719}}^1$

素因数の和:977736

約数の個数: 32

約数和(自身を含む): 563166720

約数和(自身を除く): 357845730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 977719, 1955438, 2933157, 4888595, 5866314, 6844033, 9777190, 13688066, 14665785, 20532099, 29331570, 34220165, 41064198, 68440330, 102660495, 205320990]

約数ペア:

[(1, 205320990), (2, 102660495), (3, 68440330), (5, 41064198), (6, 34220165), (7, 29331570), (10, 20532099), (14, 14665785), (15, 13688066), (21, 9777190), (30, 6844033), (35, 5866314), (42, 4888595), (70, 2933157), (105, 1955438), (210, 977719)]