388284160

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 216

約数和(自身を含む): 1076533920

約数和(自身を除く): 688249760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 109, 110, 115, 121, 128, 160, 176, 184, 218, 220, 230, 242, 253, 256, 320, 352, 368, 436, 440, 460, 484, 506, 545, 605, 640, 704, 736, 872, 880, 920, 968, 1012, 1090, 1199, 1210, 1265, 1280, 1408, 1472, 1744, 1760, 1840, 1936, 2024, 2180, 2398, 2420, 2507, 2530, 2783, 2816, 2944, 3488, 3520, 3680, 3872, 4048, 4360, 4796, 4840, 5014, 5060, 5566, 5888, 5995, 6976, 7040, 7360, 7744, 8096, 8720, 9592, 9680, 10028, 10120, 11132, 11990, 12535, 13189, 13915, 13952, 14080, 14720, 15488, 16192, 17440, 19184, 19360, 20056, 20240, 22264, 23980, 25070, 26378, 27577, 27830, 27904, 29440, 30976, 32384, 34880, 38368, 38720, 40112, 40480, 44528, 47960, 50140, 52756, 55154, 55660, 64768, 65945, 69760, 76736, 77440, 80224, 80960, 89056, 95920, 100280, 105512, 110308, 111320, 131890, 137885, 139520, 153472, 154880, 160448, 161920, 178112, 191840, 200560, 211024, 220616, 222640, 263780, 275770, 303347, 306944, 320896, 323840, 356224, 383680, 401120, 422048, 441232, 445280, 527560, 551540, 606694, 641792, 712448, 767360, 802240, 844096, 882464, 890560, 1055120, 1103080, 1213388, 1516735, 1534720, 1604480, 1688192, 1764928, 1781120, 2110240, 2206160, 2426776, 3033470, 3208960, 3376384, 3529856, 3562240, 4220480, 4412320, 4853552, 6066940, 7059712, 8440960, 8824640, 9707104, 12133880, 16881920, 17649280, 19414208, 24267760, 35298560, 38828416, 48535520, 77656832, 97071040, 194142080, 388284160]

約数ペア:

[(1, 388284160), (2, 194142080), (4, 97071040), (5, 77656832), (8, 48535520), (10, 38828416), (11, 35298560), (16, 24267760), (20, 19414208), (22, 17649280), (23, 16881920), (32, 12133880), (40, 9707104), (44, 8824640), (46, 8440960), (55, 7059712), (64, 6066940), (80, 4853552), (88, 4412320), (92, 4220480), (109, 3562240), (110, 3529856), (115, 3376384), (121, 3208960), (128, 3033470), (160, 2426776), (176, 2206160), (184, 2110240), (218, 1781120), (220, 1764928), (230, 1688192), (242, 1604480), (253, 1534720), (256, 1516735), (320, 1213388), (352, 1103080), (368, 1055120), (436, 890560), (440, 882464), (460, 844096), (484, 802240), (506, 767360), (545, 712448), (605, 641792), (640, 606694), (704, 551540), (736, 527560), (872, 445280), (880, 441232), (920, 422048), (968, 401120), (1012, 383680), (1090, 356224), (1199, 323840), (1210, 320896), (1265, 306944), (1280, 303347), (1408, 275770), (1472, 263780), (1744, 222640), (1760, 220616), (1840, 211024), (1936, 200560), (2024, 191840), (2180, 178112), (2398, 161920), (2420, 160448), (2507, 154880), (2530, 153472), (2783, 139520), (2816, 137885), (2944, 131890), (3488, 111320), (3520, 110308), (3680, 105512), (3872, 100280), (4048, 95920), (4360, 89056), (4796, 80960), (4840, 80224), (5014, 77440), (5060, 76736), (5566, 69760), (5888, 65945), (5995, 64768), (6976, 55660), (7040, 55154), (7360, 52756), (7744, 50140), (8096, 47960), (8720, 44528), (9592, 40480), (9680, 40112), (10028, 38720), (10120, 38368), (11132, 34880), (11990, 32384), (12535, 30976), (13189, 29440), (13915, 27904), (13952, 27830), (14080, 27577), (14720, 26378), (15488, 25070), (16192, 23980), (17440, 22264), (19184, 20240), (19360, 20056)]