399520240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{337}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 1116535680

約数和(自身を除く): 717015440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 73, 80, 112, 116, 140, 145, 146, 203, 232, 280, 290, 292, 337, 365, 406, 464, 511, 560, 580, 584, 674, 730, 812, 1015, 1022, 1160, 1168, 1348, 1460, 1624, 1685, 2030, 2044, 2117, 2320, 2359, 2555, 2696, 2920, 3248, 3370, 4060, 4088, 4234, 4718, 5110, 5392, 5840, 6740, 8120, 8176, 8468, 9436, 9773, 10220, 10585, 11795, 13480, 14819, 16240, 16936, 18872, 19546, 20440, 21170, 23590, 24601, 26960, 29638, 33872, 37744, 39092, 40880, 42340, 47180, 48865, 49202, 59276, 68411, 74095, 78184, 84680, 94360, 97730, 98404, 118552, 123005, 136822, 148190, 156368, 169360, 172207, 188720, 195460, 196808, 237104, 246010, 273644, 296380, 342055, 344414, 390920, 393616, 492020, 547288, 592760, 684110, 688828, 713429, 781840, 861035, 984040, 1094576, 1185520, 1368220, 1377656, 1426858, 1722070, 1968080, 2736440, 2755312, 2853716, 3444140, 3567145, 4994003, 5472880, 5707432, 6888280, 7134290, 9988006, 11414864, 13776560, 14268580, 19976012, 24970015, 28537160, 39952024, 49940030, 57074320, 79904048, 99880060, 199760120, 399520240]

約数ペア:

[(1, 399520240), (2, 199760120), (4, 99880060), (5, 79904048), (7, 57074320), (8, 49940030), (10, 39952024), (14, 28537160), (16, 24970015), (20, 19976012), (28, 14268580), (29, 13776560), (35, 11414864), (40, 9988006), (56, 7134290), (58, 6888280), (70, 5707432), (73, 5472880), (80, 4994003), (112, 3567145), (116, 3444140), (140, 2853716), (145, 2755312), (146, 2736440), (203, 1968080), (232, 1722070), (280, 1426858), (290, 1377656), (292, 1368220), (337, 1185520), (365, 1094576), (406, 984040), (464, 861035), (511, 781840), (560, 713429), (580, 688828), (584, 684110), (674, 592760), (730, 547288), (812, 492020), (1015, 393616), (1022, 390920), (1160, 344414), (1168, 342055), (1348, 296380), (1460, 273644), (1624, 246010), (1685, 237104), (2030, 196808), (2044, 195460), (2117, 188720), (2320, 172207), (2359, 169360), (2555, 156368), (2696, 148190), (2920, 136822), (3248, 123005), (3370, 118552), (4060, 98404), (4088, 97730), (4234, 94360), (4718, 84680), (5110, 78184), (5392, 74095), (5840, 68411), (6740, 59276), (8120, 49202), (8176, 48865), (8468, 47180), (9436, 42340), (9773, 40880), (10220, 39092), (10585, 37744), (11795, 33872), (13480, 29638), (14819, 26960), (16240, 24601), (16936, 23590), (18872, 21170), (19546, 20440)]