2149620620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{15354433}}^1$

素因数の和:15354449

約数の個数: 24

約数和(自身を含む): 5159089824

約数和(自身を除く): 3009469204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 15354433, 30708866, 61417732, 76772165, 107481031, 153544330, 214962062, 307088660, 429924124, 537405155, 1074810310, 2149620620]

約数ペア:

[(1, 2149620620), (2, 1074810310), (4, 537405155), (5, 429924124), (7, 307088660), (10, 214962062), (14, 153544330), (20, 107481031), (28, 76772165), (35, 61417732), (70, 30708866), (140, 15354433)]