30730420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219503}}^1$

素因数の和:219519

約数の個数: 24

約数和(自身を含む): 73753344

約数和(自身を除く): 43022924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219503, 439006, 878012, 1097515, 1536521, 2195030, 3073042, 4390060, 6146084, 7682605, 15365210, 30730420]

約数ペア:

[(1, 30730420), (2, 15365210), (4, 7682605), (5, 6146084), (7, 4390060), (10, 3073042), (14, 2195030), (20, 1536521), (28, 1097515), (35, 878012), (70, 439006), (140, 219503)]