30651880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109471}}^1$

素因数の和:109489

約数の個数: 32

約数和(自身を含む): 78819840

約数和(自身を除く): 48167960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 109471, 218942, 437884, 547355, 766297, 875768, 1094710, 1532594, 2189420, 3065188, 3831485, 4378840, 6130376, 7662970, 15325940, 30651880]

約数ペア:

[(1, 30651880), (2, 15325940), (4, 7662970), (5, 6130376), (7, 4378840), (8, 3831485), (10, 3065188), (14, 2189420), (20, 1532594), (28, 1094710), (35, 875768), (40, 766297), (56, 547355), (70, 437884), (140, 218942), (280, 109471)]