12670420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1847}}^1$

素因数の和:1877

約数の個数: 48

約数和(自身を含む): 31046400

約数和(自身を除く): 18375980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1847, 3430, 3694, 6860, 7388, 9235, 12929, 18470, 25858, 36940, 51716, 64645, 90503, 129290, 181006, 258580, 362012, 452515, 633521, 905030, 1267042, 1810060, 2534084, 3167605, 6335210, 12670420]

約数ペア:

[(1, 12670420), (2, 6335210), (4, 3167605), (5, 2534084), (7, 1810060), (10, 1267042), (14, 905030), (20, 633521), (28, 452515), (35, 362012), (49, 258580), (70, 181006), (98, 129290), (140, 90503), (196, 64645), (245, 51716), (343, 36940), (490, 25858), (686, 18470), (980, 12929), (1372, 9235), (1715, 7388), (1847, 6860), (3430, 3694)]