2730980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19507}}^1$

素因数の和:19523

約数の個数: 24

約数和(自身を含む): 6554688

約数和(自身を除く): 3823708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19507, 39014, 78028, 97535, 136549, 195070, 273098, 390140, 546196, 682745, 1365490, 2730980]

約数ペア:

[(1, 2730980), (2, 1365490), (4, 682745), (5, 546196), (7, 390140), (10, 273098), (14, 195070), (20, 136549), (28, 97535), (35, 78028), (70, 39014), (140, 19507)]