306512920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1094689}}^1$

素因数の和:1094707

約数の個数: 32

約数和(自身を含む): 788176800

約数和(自身を除く): 481663880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1094689, 2189378, 4378756, 5473445, 7662823, 8757512, 10946890, 15325646, 21893780, 30651292, 38314115, 43787560, 61302584, 76628230, 153256460, 306512920]

約数ペア:

[(1, 306512920), (2, 153256460), (4, 76628230), (5, 61302584), (7, 43787560), (8, 38314115), (10, 30651292), (14, 21893780), (20, 15325646), (28, 10946890), (35, 8757512), (40, 7662823), (56, 5473445), (70, 4378756), (140, 2189378), (280, 1094689)]