1213304540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{47881}}^1$

素因数の和:48078

約数の個数: 48

約数和(自身を含む): 2928080064

約数和(自身を除く): 1714775524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 12670, 25340, 47881, 95762, 191524, 239405, 335167, 478810, 670334, 957620, 1340668, 1675835, 3351670, 6703340, 8666461, 17332922, 34665844, 43332305, 60665227, 86664610, 121330454, 173329220, 242660908, 303326135, 606652270, 1213304540]

約数ペア:

[(1, 1213304540), (2, 606652270), (4, 303326135), (5, 242660908), (7, 173329220), (10, 121330454), (14, 86664610), (20, 60665227), (28, 43332305), (35, 34665844), (70, 17332922), (140, 8666461), (181, 6703340), (362, 3351670), (724, 1675835), (905, 1340668), (1267, 957620), (1810, 670334), (2534, 478810), (3620, 335167), (5068, 239405), (6335, 191524), (12670, 95762), (25340, 47881)]