30091460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{214939}}^1$

素因数の和:214955

約数の個数: 24

約数和(自身を含む): 72219840

約数和(自身を除く): 42128380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 214939, 429878, 859756, 1074695, 1504573, 2149390, 3009146, 4298780, 6018292, 7522865, 15045730, 30091460]

約数ペア:

[(1, 30091460), (2, 15045730), (4, 7522865), (5, 6018292), (7, 4298780), (10, 3009146), (14, 2149390), (20, 1504573), (28, 1074695), (35, 859756), (70, 429878), (140, 214939)]