7802740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1272

約数の個数: 48

約数和(自身を含む): 18506880

約数和(自身を除く): 10704140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1223, 1276, 1595, 2446, 3190, 4892, 6115, 6380, 12230, 13453, 24460, 26906, 35467, 53812, 67265, 70934, 134530, 141868, 177335, 269060, 354670, 390137, 709340, 780274, 1560548, 1950685, 3901370, 7802740]

約数ペア:

[(1, 7802740), (2, 3901370), (4, 1950685), (5, 1560548), (10, 780274), (11, 709340), (20, 390137), (22, 354670), (29, 269060), (44, 177335), (55, 141868), (58, 134530), (110, 70934), (116, 67265), (145, 53812), (220, 35467), (290, 26906), (319, 24460), (580, 13453), (638, 12230), (1223, 6380), (1276, 6115), (1595, 4892), (2446, 3190)]