7474180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 18095616

約数和(自身を除く): 10621436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 271, 394, 542, 788, 985, 1084, 1355, 1379, 1897, 1970, 2710, 2758, 3794, 3940, 5420, 5516, 6895, 7588, 9485, 13790, 18970, 27580, 37940, 53387, 106774, 213548, 266935, 373709, 533870, 747418, 1067740, 1494836, 1868545, 3737090, 7474180]

約数ペア:

[(1, 7474180), (2, 3737090), (4, 1868545), (5, 1494836), (7, 1067740), (10, 747418), (14, 533870), (20, 373709), (28, 266935), (35, 213548), (70, 106774), (140, 53387), (197, 37940), (271, 27580), (394, 18970), (542, 13790), (788, 9485), (985, 7588), (1084, 6895), (1355, 5516), (1379, 5420), (1897, 3940), (1970, 3794), (2710, 2758)]