211555740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{320539}}^1$

素因数の和:320562

約数の個数: 48

約数和(自身を含む): 646208640

約数和(自身を除く): 434652900

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 320539, 641078, 961617, 1282156, 1602695, 1923234, 3205390, 3525929, 3846468, 4808085, 6410780, 7051858, 9616170, 10577787, 14103716, 17629645, 19232340, 21155574, 35259290, 42311148, 52888935, 70518580, 105777870, 211555740]

約数ペア:

[(1, 211555740), (2, 105777870), (3, 70518580), (4, 52888935), (5, 42311148), (6, 35259290), (10, 21155574), (11, 19232340), (12, 17629645), (15, 14103716), (20, 10577787), (22, 9616170), (30, 7051858), (33, 6410780), (44, 4808085), (55, 3846468), (60, 3525929), (66, 3205390), (110, 1923234), (132, 1602695), (165, 1282156), (220, 961617), (330, 641078), (660, 320539)]