551489288

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 1312416000

約数和(自身を除く): 760926712

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 61, 76, 116, 122, 133, 152, 203, 232, 244, 266, 293, 406, 427, 488, 532, 551, 586, 812, 854, 1064, 1102, 1159, 1172, 1624, 1708, 1769, 2051, 2204, 2318, 2344, 3416, 3538, 3857, 4102, 4408, 4636, 5567, 7076, 7714, 8113, 8204, 8497, 9272, 11134, 12383, 14152, 15428, 16226, 16408, 16994, 17873, 22268, 24766, 30856, 32452, 33611, 33988, 35746, 38969, 44536, 49532, 59479, 64904, 67222, 67976, 71492, 77938, 99064, 118958, 125111, 134444, 142984, 155876, 161443, 235277, 237916, 250222, 268888, 311752, 322886, 339587, 470554, 475832, 500444, 518317, 645772, 679174, 941108, 1000888, 1036634, 1130101, 1291544, 1358348, 1882216, 2073268, 2260202, 2377109, 2716696, 3628219, 4146536, 4520404, 4754218, 7256438, 9040808, 9508436, 9848023, 14512876, 19016872, 19696046, 29025752, 39392092, 68936161, 78784184, 137872322, 275744644, 551489288]

約数ペア:

[(1, 551489288), (2, 275744644), (4, 137872322), (7, 78784184), (8, 68936161), (14, 39392092), (19, 29025752), (28, 19696046), (29, 19016872), (38, 14512876), (56, 9848023), (58, 9508436), (61, 9040808), (76, 7256438), (116, 4754218), (122, 4520404), (133, 4146536), (152, 3628219), (203, 2716696), (232, 2377109), (244, 2260202), (266, 2073268), (293, 1882216), (406, 1358348), (427, 1291544), (488, 1130101), (532, 1036634), (551, 1000888), (586, 941108), (812, 679174), (854, 645772), (1064, 518317), (1102, 500444), (1159, 475832), (1172, 470554), (1624, 339587), (1708, 322886), (1769, 311752), (2051, 268888), (2204, 250222), (2318, 237916), (2344, 235277), (3416, 161443), (3538, 155876), (3857, 142984), (4102, 134444), (4408, 125111), (4636, 118958), (5567, 99064), (7076, 77938), (7714, 71492), (8113, 67976), (8204, 67222), (8497, 64904), (9272, 59479), (11134, 49532), (12383, 44536), (14152, 38969), (15428, 35746), (16226, 33988), (16408, 33611), (16994, 32452), (17873, 30856), (22268, 24766)]