28185080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9151}}^1$

素因数の和:9180

約数の個数: 64

約数和(自身を含む): 79073280

約数和(自身を除く): 50888200

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9151, 18302, 36604, 45755, 64057, 73208, 91510, 100661, 128114, 183020, 201322, 256228, 320285, 366040, 402644, 503305, 512456, 640570, 704627, 805288, 1006610, 1281140, 1409254, 2013220, 2562280, 2818508, 3523135, 4026440, 5637016, 7046270, 14092540, 28185080]

約数ペア:

[(1, 28185080), (2, 14092540), (4, 7046270), (5, 5637016), (7, 4026440), (8, 3523135), (10, 2818508), (11, 2562280), (14, 2013220), (20, 1409254), (22, 1281140), (28, 1006610), (35, 805288), (40, 704627), (44, 640570), (55, 512456), (56, 503305), (70, 402644), (77, 366040), (88, 320285), (110, 256228), (140, 201322), (154, 183020), (220, 128114), (280, 100661), (308, 91510), (385, 73208), (440, 64057), (616, 45755), (770, 36604), (1540, 18302), (3080, 9151)]