6815620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:652

約数の個数: 48

約数和(自身を含む): 16571520

約数和(自身を除く): 9755900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 547, 623, 890, 1094, 1246, 1780, 2188, 2492, 2735, 3115, 3829, 5470, 6230, 7658, 10940, 12460, 15316, 19145, 38290, 48683, 76580, 97366, 194732, 243415, 340781, 486830, 681562, 973660, 1363124, 1703905, 3407810, 6815620]

約数ペア:

[(1, 6815620), (2, 3407810), (4, 1703905), (5, 1363124), (7, 973660), (10, 681562), (14, 486830), (20, 340781), (28, 243415), (35, 194732), (70, 97366), (89, 76580), (140, 48683), (178, 38290), (356, 19145), (445, 15316), (547, 12460), (623, 10940), (890, 7658), (1094, 6230), (1246, 5470), (1780, 3829), (2188, 3115), (2492, 2735)]