27608980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197207}}^1$

素因数の和:197223

約数の個数: 24

約数和(自身を含む): 66261888

約数和(自身を除く): 38652908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197207, 394414, 788828, 986035, 1380449, 1972070, 2760898, 3944140, 5521796, 6902245, 13804490, 27608980]

約数ペア:

[(1, 27608980), (2, 13804490), (4, 6902245), (5, 5521796), (7, 3944140), (10, 2760898), (14, 1972070), (20, 1380449), (28, 986035), (35, 788828), (70, 394414), (140, 197207)]