2498020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2549}}^1$

素因数の和:2572

約数の個数: 36

約数和(自身を含む): 6104700

約数和(自身を除く): 3606680

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2549, 5098, 10196, 12745, 17843, 25490, 35686, 50980, 71372, 89215, 124901, 178430, 249802, 356860, 499604, 624505, 1249010, 2498020]

約数ペア:

[(1, 2498020), (2, 1249010), (4, 624505), (5, 499604), (7, 356860), (10, 249802), (14, 178430), (20, 124901), (28, 89215), (35, 71372), (49, 50980), (70, 35686), (98, 25490), (140, 17843), (196, 12745), (245, 10196), (490, 5098), (980, 2549)]