205324420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1466603}}^1$

素因数の和:1466619

約数の個数: 24

約数和(自身を含む): 492778944

約数和(自身を除く): 287454524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1466603, 2933206, 5866412, 7333015, 10266221, 14666030, 20532442, 29332060, 41064884, 51331105, 102662210, 205324420]

約数ペア:

[(1, 205324420), (2, 102662210), (4, 51331105), (5, 41064884), (7, 29332060), (10, 20532442), (14, 14666030), (20, 10266221), (28, 7333015), (35, 5866412), (70, 2933206), (140, 1466603)]