278251430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{352217}}^1$

素因数の和:352303

約数の個数: 16

約数和(自身を含む): 507193920

約数和(自身を除く): 228942490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 352217, 704434, 1761085, 3522170, 27825143, 55650286, 139125715, 278251430]

約数ペア:

[(1, 278251430), (2, 139125715), (5, 55650286), (10, 27825143), (79, 3522170), (158, 1761085), (395, 704434), (790, 352217)]