77717780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{3067}}^1$

素因数の和:3264

約数の個数: 48

約数和(自身を含む): 187614336

約数和(自身を除く): 109896556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3067, 3620, 5068, 6134, 6335, 12268, 12670, 15335, 21469, 25340, 30670, 42938, 61340, 85876, 107345, 214690, 429380, 555127, 1110254, 2220508, 2775635, 3885889, 5551270, 7771778, 11102540, 15543556, 19429445, 38858890, 77717780]

約数ペア:

[(1, 77717780), (2, 38858890), (4, 19429445), (5, 15543556), (7, 11102540), (10, 7771778), (14, 5551270), (20, 3885889), (28, 2775635), (35, 2220508), (70, 1110254), (140, 555127), (181, 429380), (362, 214690), (724, 107345), (905, 85876), (1267, 61340), (1810, 42938), (2534, 30670), (3067, 25340), (3620, 21469), (5068, 15335), (6134, 12670), (6335, 12268)]