278330410

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{255349}}^1$

素因数の和:255465

約数の個数: 16

約数和(自身を含む): 505593000

約数和(自身を除く): 227262590

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 255349, 510698, 1276745, 2553490, 27833041, 55666082, 139165205, 278330410]

約数ペア:

[(1, 278330410), (2, 139165205), (5, 55666082), (10, 27833041), (109, 2553490), (218, 1276745), (545, 510698), (1090, 255349)]