245420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1753}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 589344

約数和(自身を除く): 343924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1753, 3506, 7012, 8765, 12271, 17530, 24542, 35060, 49084, 61355, 122710, 245420]

約数ペア:

[(1, 245420), (2, 122710), (4, 61355), (5, 49084), (7, 35060), (10, 24542), (14, 17530), (20, 12271), (28, 8765), (35, 7012), (70, 3506), (140, 1753)]