278312210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2530111}}^1$

素因数の和:2530129

約数の個数: 16

約数和(自身を含む): 546504192

約数和(自身を除く): 268191982

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2530111, 5060222, 12650555, 25301110, 27831221, 55662442, 139156105, 278312210]

約数ペア:

[(1, 278312210), (2, 139156105), (5, 55662442), (10, 27831221), (11, 25301110), (22, 12650555), (55, 5060222), (110, 2530111)]