206142580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1472447}}^1$

素因数の和:1472463

約数の個数: 24

約数和(自身を含む): 494742528

約数和(自身を除く): 288599948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1472447, 2944894, 5889788, 7362235, 10307129, 14724470, 20614258, 29448940, 41228516, 51535645, 103071290, 206142580]

約数ペア:

[(1, 206142580), (2, 103071290), (4, 51535645), (5, 41228516), (7, 29448940), (10, 20614258), (14, 14724470), (20, 10307129), (28, 7362235), (35, 5889788), (70, 2944894), (140, 1472447)]