257005728

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7499}}^1$

素因数の和:7539

約数の個数: 144

約数和(自身を含む): 884520000

約数和(自身を除く): 627514272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 68, 72, 84, 96, 102, 112, 119, 126, 136, 144, 153, 168, 204, 224, 238, 252, 272, 288, 306, 336, 357, 408, 476, 504, 544, 612, 672, 714, 816, 952, 1008, 1071, 1224, 1428, 1632, 1904, 2016, 2142, 2448, 2856, 3808, 4284, 4896, 5712, 7499, 8568, 11424, 14998, 17136, 22497, 29996, 34272, 44994, 52493, 59992, 67491, 89988, 104986, 119984, 127483, 134982, 157479, 179976, 209972, 239968, 254966, 269964, 314958, 359952, 382449, 419944, 472437, 509932, 539928, 629916, 719904, 764898, 839888, 892381, 944874, 1019864, 1079856, 1147347, 1259832, 1529796, 1679776, 1784762, 1889748, 2039728, 2159712, 2294694, 2519664, 2677143, 3059592, 3569524, 3779496, 4079456, 4589388, 5039328, 5354286, 6119184, 7139048, 7558992, 8031429, 9178776, 10708572, 12238368, 14278096, 15117984, 16062858, 18357552, 21417144, 28556192, 32125716, 36715104, 42834288, 64251432, 85668576, 128502864, 257005728]

約数ペア:

[(1, 257005728), (2, 128502864), (3, 85668576), (4, 64251432), (6, 42834288), (7, 36715104), (8, 32125716), (9, 28556192), (12, 21417144), (14, 18357552), (16, 16062858), (17, 15117984), (18, 14278096), (21, 12238368), (24, 10708572), (28, 9178776), (32, 8031429), (34, 7558992), (36, 7139048), (42, 6119184), (48, 5354286), (51, 5039328), (56, 4589388), (63, 4079456), (68, 3779496), (72, 3569524), (84, 3059592), (96, 2677143), (102, 2519664), (112, 2294694), (119, 2159712), (126, 2039728), (136, 1889748), (144, 1784762), (153, 1679776), (168, 1529796), (204, 1259832), (224, 1147347), (238, 1079856), (252, 1019864), (272, 944874), (288, 892381), (306, 839888), (336, 764898), (357, 719904), (408, 629916), (476, 539928), (504, 509932), (544, 472437), (612, 419944), (672, 382449), (714, 359952), (816, 314958), (952, 269964), (1008, 254966), (1071, 239968), (1224, 209972), (1428, 179976), (1632, 157479), (1904, 134982), (2016, 127483), (2142, 119984), (2448, 104986), (2856, 89988), (3808, 67491), (4284, 59992), (4896, 52493), (5712, 44994), (7499, 34272), (8568, 29996), (11424, 22497), (14998, 17136)]