855470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 1953504

約数和(自身を除く): 1098034

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 101, 110, 121, 154, 202, 242, 385, 505, 605, 707, 770, 847, 1010, 1111, 1210, 1414, 1694, 2222, 3535, 4235, 5555, 7070, 7777, 8470, 11110, 12221, 15554, 24442, 38885, 61105, 77770, 85547, 122210, 171094, 427735, 855470]

約数ペア:

[(1, 855470), (2, 427735), (5, 171094), (7, 122210), (10, 85547), (11, 77770), (14, 61105), (22, 38885), (35, 24442), (55, 15554), (70, 12221), (77, 11110), (101, 8470), (110, 7777), (121, 7070), (154, 5555), (202, 4235), (242, 3535), (385, 2222), (505, 1694), (605, 1414), (707, 1210), (770, 1111), (847, 1010)]