2149266910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4386259}}^1$

素因数の和:4386280

約数の個数: 24

約数和(自身を含む): 4500302760

約数和(自身を除く): 2351035850

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4386259, 8772518, 21931295, 30703813, 43862590, 61407626, 153519065, 214926691, 307038130, 429853382, 1074633455, 2149266910]

約数ペア:

[(1, 2149266910), (2, 1074633455), (5, 429853382), (7, 307038130), (10, 214926691), (14, 153519065), (35, 61407626), (49, 43862590), (70, 30703813), (98, 21931295), (245, 8772518), (490, 4386259)]