278548284

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 192

約数和(自身を含む): 827366400

約数和(自身を除く): 548818116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 53, 57, 74, 76, 84, 89, 106, 111, 114, 133, 148, 159, 178, 212, 222, 228, 259, 266, 267, 318, 356, 371, 399, 444, 518, 532, 534, 623, 636, 703, 742, 777, 798, 1007, 1036, 1068, 1113, 1246, 1406, 1484, 1554, 1596, 1691, 1869, 1961, 2014, 2109, 2226, 2492, 2812, 3021, 3108, 3293, 3382, 3738, 3922, 4028, 4218, 4452, 4717, 4921, 5073, 5883, 6042, 6586, 6764, 7049, 7476, 7844, 8436, 9434, 9842, 9879, 10146, 11766, 11837, 12084, 13172, 13727, 14098, 14151, 14763, 18868, 19684, 19758, 20292, 21147, 23051, 23532, 23674, 27454, 28196, 28302, 29526, 33019, 35511, 37259, 39516, 41181, 42294, 46102, 47348, 54908, 56604, 59052, 62567, 66038, 69153, 71022, 74518, 82362, 84588, 89623, 92204, 99057, 111777, 125134, 132076, 138306, 142044, 149036, 164724, 174529, 179246, 187701, 198114, 223554, 250268, 260813, 268869, 276612, 349058, 358492, 375402, 396228, 437969, 447108, 521626, 523587, 537738, 627361, 698116, 750804, 782439, 875938, 1043252, 1047174, 1075476, 1221703, 1254722, 1313907, 1564878, 1751876, 1882083, 2094348, 2443406, 2509444, 2627814, 3129756, 3316051, 3665109, 3764166, 4886812, 5255628, 6632102, 7330218, 7528332, 9948153, 13264204, 14660436, 19896306, 23212357, 39792612, 46424714, 69637071, 92849428, 139274142, 278548284]

約数ペア:

[(1, 278548284), (2, 139274142), (3, 92849428), (4, 69637071), (6, 46424714), (7, 39792612), (12, 23212357), (14, 19896306), (19, 14660436), (21, 13264204), (28, 9948153), (37, 7528332), (38, 7330218), (42, 6632102), (53, 5255628), (57, 4886812), (74, 3764166), (76, 3665109), (84, 3316051), (89, 3129756), (106, 2627814), (111, 2509444), (114, 2443406), (133, 2094348), (148, 1882083), (159, 1751876), (178, 1564878), (212, 1313907), (222, 1254722), (228, 1221703), (259, 1075476), (266, 1047174), (267, 1043252), (318, 875938), (356, 782439), (371, 750804), (399, 698116), (444, 627361), (518, 537738), (532, 523587), (534, 521626), (623, 447108), (636, 437969), (703, 396228), (742, 375402), (777, 358492), (798, 349058), (1007, 276612), (1036, 268869), (1068, 260813), (1113, 250268), (1246, 223554), (1406, 198114), (1484, 187701), (1554, 179246), (1596, 174529), (1691, 164724), (1869, 149036), (1961, 142044), (2014, 138306), (2109, 132076), (2226, 125134), (2492, 111777), (2812, 99057), (3021, 92204), (3108, 89623), (3293, 84588), (3382, 82362), (3738, 74518), (3922, 71022), (4028, 69153), (4218, 66038), (4452, 62567), (4717, 59052), (4921, 56604), (5073, 54908), (5883, 47348), (6042, 46102), (6586, 42294), (6764, 41181), (7049, 39516), (7476, 37259), (7844, 35511), (8436, 33019), (9434, 29526), (9842, 28302), (9879, 28196), (10146, 27454), (11766, 23674), (11837, 23532), (12084, 23051), (13172, 21147), (13727, 20292), (14098, 19758), (14151, 19684), (14763, 18868)]