2564660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2617}}^1$

素因数の和:2640

約数の個数: 36

約数和(自身を含む): 6267492

約数和(自身を除く): 3702832

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2617, 5234, 10468, 13085, 18319, 26170, 36638, 52340, 73276, 91595, 128233, 183190, 256466, 366380, 512932, 641165, 1282330, 2564660]

約数ペア:

[(1, 2564660), (2, 1282330), (4, 641165), (5, 512932), (7, 366380), (10, 256466), (14, 183190), (20, 128233), (28, 91595), (35, 73276), (49, 52340), (70, 36638), (98, 26170), (140, 18319), (196, 13085), (245, 10468), (490, 5234), (980, 2617)]