7942620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{18911}}^1$

素因数の和:18930

約数の個数: 48

約数和(自身を含む): 25417728

約数和(自身を除く): 17475108

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, 18911, 37822, 56733, 75644, 94555, 113466, 132377, 189110, 226932, 264754, 283665, 378220, 397131, 529508, 567330, 661885, 794262, 1134660, 1323770, 1588524, 1985655, 2647540, 3971310, 7942620]

約数ペア:

[(1, 7942620), (2, 3971310), (3, 2647540), (4, 1985655), (5, 1588524), (6, 1323770), (7, 1134660), (10, 794262), (12, 661885), (14, 567330), (15, 529508), (20, 397131), (21, 378220), (28, 283665), (30, 264754), (35, 226932), (42, 189110), (60, 132377), (70, 113466), (84, 94555), (105, 75644), (140, 56733), (210, 37822), (420, 18911)]