218080210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{215921}}^1$

素因数の和:216029

約数の個数: 16

約数和(自身を含む): 396432792

約数和(自身を除く): 178352582

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 215921, 431842, 1079605, 2159210, 21808021, 43616042, 109040105, 218080210]

約数ペア:

[(1, 218080210), (2, 109040105), (5, 43616042), (10, 21808021), (101, 2159210), (202, 1079605), (505, 431842), (1010, 215921)]