142887340

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{547}}^1$

素因数の和:946

約数の個数: 48

約数和(自身を含む): 309611232

約数和(自身を除く): 166723892

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 353, 370, 547, 706, 740, 1094, 1412, 1765, 2188, 2735, 3530, 5470, 7060, 10940, 13061, 20239, 26122, 40478, 52244, 65305, 80956, 101195, 130610, 193091, 202390, 261220, 386182, 404780, 772364, 965455, 1930910, 3861820, 7144367, 14288734, 28577468, 35721835, 71443670, 142887340]

約数ペア:

[(1, 142887340), (2, 71443670), (4, 35721835), (5, 28577468), (10, 14288734), (20, 7144367), (37, 3861820), (74, 1930910), (148, 965455), (185, 772364), (353, 404780), (370, 386182), (547, 261220), (706, 202390), (740, 193091), (1094, 130610), (1412, 101195), (1765, 80956), (2188, 65305), (2735, 52244), (3530, 40478), (5470, 26122), (7060, 20239), (10940, 13061)]