207640840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{42901}}^1$

素因数の和:42934

約数の個数: 48

約数和(自身を含む): 513536940

約数和(自身を除く): 305896100

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 42901, 85802, 171604, 214505, 343208, 429010, 471911, 858020, 943822, 1716040, 1887644, 2359555, 3775288, 4719110, 5191021, 9438220, 10382042, 18876440, 20764084, 25955105, 41528168, 51910210, 103820420, 207640840]

約数ペア:

[(1, 207640840), (2, 103820420), (4, 51910210), (5, 41528168), (8, 25955105), (10, 20764084), (11, 18876440), (20, 10382042), (22, 9438220), (40, 5191021), (44, 4719110), (55, 3775288), (88, 2359555), (110, 1887644), (121, 1716040), (220, 943822), (242, 858020), (440, 471911), (484, 429010), (605, 343208), (968, 214505), (1210, 171604), (2420, 85802), (4840, 42901)]