306945940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2192471}}^1$

素因数の和:2192487

約数の個数: 24

約数和(自身を含む): 736670592

約数和(自身を除く): 429724652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2192471, 4384942, 8769884, 10962355, 15347297, 21924710, 30694594, 43849420, 61389188, 76736485, 153472970, 306945940]

約数ペア:

[(1, 306945940), (2, 153472970), (4, 76736485), (5, 61389188), (7, 43849420), (10, 30694594), (14, 21924710), (20, 15347297), (28, 10962355), (35, 8769884), (70, 4384942), (140, 2192471)]