255007984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{607}}^1$

素因数の和:675

約数の個数: 120

約数和(自身を含む): 641736704

約数和(自身を除く): 386728720

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 56, 62, 77, 88, 112, 121, 124, 154, 176, 217, 242, 248, 308, 341, 434, 484, 496, 607, 616, 682, 847, 868, 968, 1214, 1232, 1364, 1694, 1736, 1936, 2387, 2428, 2728, 3388, 3472, 3751, 4249, 4774, 4856, 5456, 6677, 6776, 7502, 8498, 9548, 9712, 13354, 13552, 15004, 16996, 18817, 19096, 26257, 26708, 30008, 33992, 37634, 38192, 46739, 52514, 53416, 60016, 67984, 73447, 75268, 93478, 105028, 106832, 131719, 146894, 150536, 186956, 206987, 210056, 263438, 293788, 301072, 373912, 413974, 420112, 514129, 526876, 587576, 747824, 827948, 1028258, 1053752, 1175152, 1448909, 1655896, 2056516, 2107504, 2276857, 2897818, 3311792, 4113032, 4553714, 5795636, 8226064, 9107428, 11591272, 15937999, 18214856, 23182544, 31875998, 36429712, 63751996, 127503992, 255007984]

約数ペア:

[(1, 255007984), (2, 127503992), (4, 63751996), (7, 36429712), (8, 31875998), (11, 23182544), (14, 18214856), (16, 15937999), (22, 11591272), (28, 9107428), (31, 8226064), (44, 5795636), (56, 4553714), (62, 4113032), (77, 3311792), (88, 2897818), (112, 2276857), (121, 2107504), (124, 2056516), (154, 1655896), (176, 1448909), (217, 1175152), (242, 1053752), (248, 1028258), (308, 827948), (341, 747824), (434, 587576), (484, 526876), (496, 514129), (607, 420112), (616, 413974), (682, 373912), (847, 301072), (868, 293788), (968, 263438), (1214, 210056), (1232, 206987), (1364, 186956), (1694, 150536), (1736, 146894), (1936, 131719), (2387, 106832), (2428, 105028), (2728, 93478), (3388, 75268), (3472, 73447), (3751, 67984), (4249, 60016), (4774, 53416), (4856, 52514), (5456, 46739), (6677, 38192), (6776, 37634), (7502, 33992), (8498, 30008), (9548, 26708), (9712, 26257), (13354, 19096), (13552, 18817), (15004, 16996)]