221566660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{6911}}^1$

素因数の和:7156

約数の個数: 48

約数和(自身を含む): 534159360

約数和(自身を除く): 312592700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 916, 1145, 1603, 2290, 3206, 4580, 6412, 6911, 8015, 13822, 16030, 27644, 32060, 34555, 48377, 69110, 96754, 138220, 193508, 241885, 483770, 967540, 1582619, 3165238, 6330476, 7913095, 11078333, 15826190, 22156666, 31652380, 44313332, 55391665, 110783330, 221566660]

約数ペア:

[(1, 221566660), (2, 110783330), (4, 55391665), (5, 44313332), (7, 31652380), (10, 22156666), (14, 15826190), (20, 11078333), (28, 7913095), (35, 6330476), (70, 3165238), (140, 1582619), (229, 967540), (458, 483770), (916, 241885), (1145, 193508), (1603, 138220), (2290, 96754), (3206, 69110), (4580, 48377), (6412, 34555), (6911, 32060), (8015, 27644), (13822, 16030)]