278347264

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 160

約数和(自身を含む): 659957760

約数和(自身を除く): 381610496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 64, 71, 76, 104, 124, 128, 142, 152, 208, 247, 248, 256, 284, 304, 403, 416, 494, 496, 512, 568, 589, 608, 806, 832, 923, 988, 992, 1136, 1178, 1216, 1349, 1612, 1664, 1846, 1976, 1984, 2201, 2272, 2356, 2432, 2698, 3224, 3328, 3692, 3952, 3968, 4402, 4544, 4712, 4864, 5396, 6448, 6656, 7384, 7657, 7904, 7936, 8804, 9088, 9424, 9728, 10792, 12896, 14768, 15314, 15808, 15872, 17537, 17608, 18176, 18848, 21584, 25792, 28613, 29536, 30628, 31616, 35074, 35216, 36352, 37696, 41819, 43168, 51584, 57226, 59072, 61256, 63232, 70148, 70432, 75392, 83638, 86336, 103168, 114452, 118144, 122512, 126464, 140296, 140864, 150784, 167276, 172672, 206336, 228904, 236288, 245024, 280592, 281728, 301568, 334552, 345344, 457808, 472576, 490048, 543647, 561184, 563456, 669104, 690688, 915616, 980096, 1087294, 1122368, 1126912, 1338208, 1831232, 1960192, 2174588, 2244736, 2676416, 3662464, 3920384, 4349176, 4489472, 5352832, 7324928, 8698352, 8978944, 10705664, 14649856, 17396704, 21411328, 34793408, 69586816, 139173632, 278347264]

約数ペア:

[(1, 278347264), (2, 139173632), (4, 69586816), (8, 34793408), (13, 21411328), (16, 17396704), (19, 14649856), (26, 10705664), (31, 8978944), (32, 8698352), (38, 7324928), (52, 5352832), (62, 4489472), (64, 4349176), (71, 3920384), (76, 3662464), (104, 2676416), (124, 2244736), (128, 2174588), (142, 1960192), (152, 1831232), (208, 1338208), (247, 1126912), (248, 1122368), (256, 1087294), (284, 980096), (304, 915616), (403, 690688), (416, 669104), (494, 563456), (496, 561184), (512, 543647), (568, 490048), (589, 472576), (608, 457808), (806, 345344), (832, 334552), (923, 301568), (988, 281728), (992, 280592), (1136, 245024), (1178, 236288), (1216, 228904), (1349, 206336), (1612, 172672), (1664, 167276), (1846, 150784), (1976, 140864), (1984, 140296), (2201, 126464), (2272, 122512), (2356, 118144), (2432, 114452), (2698, 103168), (3224, 86336), (3328, 83638), (3692, 75392), (3952, 70432), (3968, 70148), (4402, 63232), (4544, 61256), (4712, 59072), (4864, 57226), (5396, 51584), (6448, 43168), (6656, 41819), (7384, 37696), (7657, 36352), (7904, 35216), (7936, 35074), (8804, 31616), (9088, 30628), (9424, 29536), (9728, 28613), (10792, 25792), (12896, 21584), (14768, 18848), (15314, 18176), (15808, 17608), (15872, 17537)]