2840530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 96

約数和(自身を含む): 7091712

約数和(自身を除く): 4251182

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 31, 34, 35, 49, 55, 62, 70, 77, 85, 98, 110, 119, 154, 155, 170, 187, 217, 238, 245, 310, 341, 374, 385, 434, 490, 527, 539, 595, 682, 770, 833, 935, 1054, 1078, 1085, 1190, 1309, 1519, 1666, 1705, 1870, 2170, 2387, 2618, 2635, 2695, 3038, 3410, 3689, 4165, 4774, 5270, 5390, 5797, 6545, 7378, 7595, 8330, 9163, 11594, 11935, 13090, 15190, 16709, 18326, 18445, 23870, 25823, 28985, 33418, 36890, 40579, 45815, 51646, 57970, 81158, 83545, 91630, 129115, 167090, 202895, 258230, 284053, 405790, 568106, 1420265, 2840530]

約数ペア:

[(1, 2840530), (2, 1420265), (5, 568106), (7, 405790), (10, 284053), (11, 258230), (14, 202895), (17, 167090), (22, 129115), (31, 91630), (34, 83545), (35, 81158), (49, 57970), (55, 51646), (62, 45815), (70, 40579), (77, 36890), (85, 33418), (98, 28985), (110, 25823), (119, 23870), (154, 18445), (155, 18326), (170, 16709), (187, 15190), (217, 13090), (238, 11935), (245, 11594), (310, 9163), (341, 8330), (374, 7595), (385, 7378), (434, 6545), (490, 5797), (527, 5390), (539, 5270), (595, 4774), (682, 4165), (770, 3689), (833, 3410), (935, 3038), (1054, 2695), (1078, 2635), (1085, 2618), (1190, 2387), (1309, 2170), (1519, 1870), (1666, 1705)]