3872820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{9221}}^1$

素因数の和:9240

約数の個数: 48

約数和(自身を含む): 12394368

約数和(自身を除く): 8521548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 9221, 18442, 27663, 36884, 46105, 55326, 64547, 92210, 110652, 129094, 138315, 184420, 193641, 258188, 276630, 322735, 387282, 553260, 645470, 774564, 968205, 1290940, 1936410, 3872820]

約数ペア:

[(1, 3872820), (2, 1936410), (3, 1290940), (4, 968205), (5, 774564), (6, 645470), (7, 553260), (10, 387282), (12, 322735), (14, 276630), (15, 258188), (20, 193641), (21, 184420), (28, 138315), (30, 129094), (35, 110652), (42, 92210), (60, 64547), (70, 55326), (84, 46105), (105, 36884), (140, 27663), (210, 18442), (420, 9221)]