257282144

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 625121280

約数和(自身を除く): 367839136

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 67, 79, 98, 112, 124, 134, 158, 196, 217, 224, 248, 268, 316, 392, 434, 469, 496, 536, 553, 632, 784, 868, 938, 992, 1072, 1106, 1264, 1519, 1568, 1736, 1876, 2077, 2144, 2212, 2449, 2528, 3038, 3283, 3472, 3752, 3871, 4154, 4424, 4898, 5293, 6076, 6566, 6944, 7504, 7742, 8308, 8848, 9796, 10586, 12152, 13132, 14539, 15008, 15484, 16616, 17143, 17696, 19592, 21172, 24304, 26264, 29078, 30968, 33232, 34286, 37051, 39184, 42344, 48608, 52528, 58156, 61936, 66464, 68572, 74102, 78368, 84688, 101773, 105056, 116312, 120001, 123872, 137144, 148204, 164083, 169376, 203546, 232624, 240002, 259357, 274288, 296408, 328166, 407092, 465248, 480004, 518714, 548576, 592816, 656332, 814184, 960008, 1037428, 1148581, 1185632, 1312664, 1628368, 1920016, 2074856, 2297162, 2625328, 3256736, 3840032, 4149712, 4594324, 5250656, 8040067, 8299424, 9188648, 16080134, 18377296, 32160268, 36754592, 64320536, 128641072, 257282144]

約数ペア:

[(1, 257282144), (2, 128641072), (4, 64320536), (7, 36754592), (8, 32160268), (14, 18377296), (16, 16080134), (28, 9188648), (31, 8299424), (32, 8040067), (49, 5250656), (56, 4594324), (62, 4149712), (67, 3840032), (79, 3256736), (98, 2625328), (112, 2297162), (124, 2074856), (134, 1920016), (158, 1628368), (196, 1312664), (217, 1185632), (224, 1148581), (248, 1037428), (268, 960008), (316, 814184), (392, 656332), (434, 592816), (469, 548576), (496, 518714), (536, 480004), (553, 465248), (632, 407092), (784, 328166), (868, 296408), (938, 274288), (992, 259357), (1072, 240002), (1106, 232624), (1264, 203546), (1519, 169376), (1568, 164083), (1736, 148204), (1876, 137144), (2077, 123872), (2144, 120001), (2212, 116312), (2449, 105056), (2528, 101773), (3038, 84688), (3283, 78368), (3472, 74102), (3752, 68572), (3871, 66464), (4154, 61936), (4424, 58156), (4898, 52528), (5293, 48608), (6076, 42344), (6566, 39184), (6944, 37051), (7504, 34286), (7742, 33232), (8308, 30968), (8848, 29078), (9796, 26264), (10586, 24304), (12152, 21172), (13132, 19592), (14539, 17696), (15008, 17143), (15484, 16616)]