201202100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1811}}^1$

素因数の和:1937

約数の個数: 72

約数和(自身を含む): 481281696

約数和(自身を除く): 280079596

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 101, 110, 202, 220, 275, 404, 505, 550, 1010, 1100, 1111, 1811, 2020, 2222, 2525, 3622, 4444, 5050, 5555, 7244, 9055, 10100, 11110, 18110, 19921, 22220, 27775, 36220, 39842, 45275, 55550, 79684, 90550, 99605, 111100, 181100, 182911, 199210, 365822, 398420, 498025, 731644, 914555, 996050, 1829110, 1992100, 2012021, 3658220, 4024042, 4572775, 8048084, 9145550, 10060105, 18291100, 20120210, 40240420, 50300525, 100601050, 201202100]

約数ペア:

[(1, 201202100), (2, 100601050), (4, 50300525), (5, 40240420), (10, 20120210), (11, 18291100), (20, 10060105), (22, 9145550), (25, 8048084), (44, 4572775), (50, 4024042), (55, 3658220), (100, 2012021), (101, 1992100), (110, 1829110), (202, 996050), (220, 914555), (275, 731644), (404, 498025), (505, 398420), (550, 365822), (1010, 199210), (1100, 182911), (1111, 181100), (1811, 111100), (2020, 99605), (2222, 90550), (2525, 79684), (3622, 55550), (4444, 45275), (5050, 39842), (5555, 36220), (7244, 27775), (9055, 22220), (10100, 19921), (11110, 18110)]