338425640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1208663}}^1$

素因数の和:1208681

約数の個数: 32

約数和(自身を含む): 870238080

約数和(自身を除く): 531812440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1208663, 2417326, 4834652, 6043315, 8460641, 9669304, 12086630, 16921282, 24173260, 33842564, 42303205, 48346520, 67685128, 84606410, 169212820, 338425640]

約数ペア:

[(1, 338425640), (2, 169212820), (4, 84606410), (5, 67685128), (7, 48346520), (8, 42303205), (10, 33842564), (14, 24173260), (20, 16921282), (28, 12086630), (35, 9669304), (40, 8460641), (56, 6043315), (70, 4834652), (140, 2417326), (280, 1208663)]