7421480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 18506880

約数和(自身を除く): 11085400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 167, 202, 220, 334, 404, 440, 505, 668, 808, 835, 1010, 1111, 1336, 1670, 1837, 2020, 2222, 3340, 3674, 4040, 4444, 5555, 6680, 7348, 8888, 9185, 11110, 14696, 16867, 18370, 22220, 33734, 36740, 44440, 67468, 73480, 84335, 134936, 168670, 185537, 337340, 371074, 674680, 742148, 927685, 1484296, 1855370, 3710740, 7421480]

約数ペア:

[(1, 7421480), (2, 3710740), (4, 1855370), (5, 1484296), (8, 927685), (10, 742148), (11, 674680), (20, 371074), (22, 337340), (40, 185537), (44, 168670), (55, 134936), (88, 84335), (101, 73480), (110, 67468), (167, 44440), (202, 36740), (220, 33734), (334, 22220), (404, 18370), (440, 16867), (505, 14696), (668, 11110), (808, 9185), (835, 8888), (1010, 7348), (1111, 6680), (1336, 5555), (1670, 4444), (1837, 4040), (2020, 3674), (2222, 3340)]