28702740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:457

約数の個数: 96

約数和(自身を含む): 88550784

約数和(自身を除く): 59848044

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 157, 165, 220, 277, 314, 330, 471, 554, 628, 660, 785, 831, 942, 1108, 1385, 1570, 1662, 1727, 1884, 2355, 2770, 3047, 3140, 3324, 3454, 4155, 4710, 5181, 5540, 6094, 6908, 8310, 8635, 9141, 9420, 10362, 12188, 15235, 16620, 17270, 18282, 20724, 25905, 30470, 34540, 36564, 43489, 45705, 51810, 60940, 86978, 91410, 103620, 130467, 173956, 182820, 217445, 260934, 434890, 478379, 521868, 652335, 869780, 956758, 1304670, 1435137, 1913516, 2391895, 2609340, 2870274, 4783790, 5740548, 7175685, 9567580, 14351370, 28702740]

約数ペア:

[(1, 28702740), (2, 14351370), (3, 9567580), (4, 7175685), (5, 5740548), (6, 4783790), (10, 2870274), (11, 2609340), (12, 2391895), (15, 1913516), (20, 1435137), (22, 1304670), (30, 956758), (33, 869780), (44, 652335), (55, 521868), (60, 478379), (66, 434890), (110, 260934), (132, 217445), (157, 182820), (165, 173956), (220, 130467), (277, 103620), (314, 91410), (330, 86978), (471, 60940), (554, 51810), (628, 45705), (660, 43489), (785, 36564), (831, 34540), (942, 30470), (1108, 25905), (1385, 20724), (1570, 18282), (1662, 17270), (1727, 16620), (1884, 15235), (2355, 12188), (2770, 10362), (3047, 9420), (3140, 9141), (3324, 8635), (3454, 8310), (4155, 6908), (4710, 6094), (5181, 5540)]