1244420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1499

約数の個数: 24

約数和(自身を含む): 2675904

約数和(自身を除く): 1431484

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1447, 2894, 5788, 7235, 14470, 28940, 62221, 124442, 248884, 311105, 622210, 1244420]

約数ペア:

[(1, 1244420), (2, 622210), (4, 311105), (5, 248884), (10, 124442), (20, 62221), (43, 28940), (86, 14470), (172, 7235), (215, 5788), (430, 2894), (860, 1447)]