278364752630

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{255380507}}^1$

素因数の和:255380623

約数の個数: 16

約数和(自身を含む): 505653405840

約数和(自身を除く): 227288653210

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 255380507, 510761014, 1276902535, 2553805070, 27836475263, 55672950526, 139182376315, 278364752630]

約数ペア:

[(1, 278364752630), (2, 139182376315), (5, 55672950526), (10, 27836475263), (109, 2553805070), (218, 1276902535), (545, 510761014), (1090, 255380507)]