421049440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 192

約数和(自身を含む): 1197600768

約数和(自身を除く): 776551328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 140, 155, 160, 181, 217, 224, 248, 268, 280, 310, 335, 362, 434, 469, 496, 536, 560, 620, 670, 724, 868, 905, 938, 992, 1072, 1085, 1120, 1240, 1267, 1340, 1448, 1736, 1810, 1876, 2077, 2144, 2170, 2345, 2480, 2534, 2680, 2896, 3472, 3620, 3752, 4154, 4340, 4690, 4960, 5068, 5360, 5611, 5792, 6335, 6944, 7240, 7504, 8308, 8680, 9380, 10136, 10385, 10720, 11222, 12127, 12670, 14480, 14539, 15008, 16616, 17360, 18760, 20272, 20770, 22444, 24254, 25340, 28055, 28960, 29078, 33232, 34720, 37520, 39277, 40544, 41540, 44888, 48508, 50680, 56110, 58156, 60635, 66464, 72695, 75040, 78554, 83080, 84889, 89776, 97016, 101360, 112220, 116312, 121270, 145390, 157108, 166160, 169778, 179552, 194032, 196385, 202720, 224440, 232624, 242540, 290780, 314216, 332320, 339556, 375937, 388064, 392770, 424445, 448880, 465248, 485080, 581560, 628432, 679112, 751874, 785540, 848890, 897760, 970160, 1163120, 1256864, 1358224, 1503748, 1571080, 1697780, 1879685, 1940320, 2326240, 2631559, 2716448, 3007496, 3142160, 3395560, 3759370, 5263118, 6014992, 6284320, 6791120, 7518740, 10526236, 12029984, 13157795, 13582240, 15037480, 21052472, 26315590, 30074960, 42104944, 52631180, 60149920, 84209888, 105262360, 210524720, 421049440]

約数ペア:

[(1, 421049440), (2, 210524720), (4, 105262360), (5, 84209888), (7, 60149920), (8, 52631180), (10, 42104944), (14, 30074960), (16, 26315590), (20, 21052472), (28, 15037480), (31, 13582240), (32, 13157795), (35, 12029984), (40, 10526236), (56, 7518740), (62, 6791120), (67, 6284320), (70, 6014992), (80, 5263118), (112, 3759370), (124, 3395560), (134, 3142160), (140, 3007496), (155, 2716448), (160, 2631559), (181, 2326240), (217, 1940320), (224, 1879685), (248, 1697780), (268, 1571080), (280, 1503748), (310, 1358224), (335, 1256864), (362, 1163120), (434, 970160), (469, 897760), (496, 848890), (536, 785540), (560, 751874), (620, 679112), (670, 628432), (724, 581560), (868, 485080), (905, 465248), (938, 448880), (992, 424445), (1072, 392770), (1085, 388064), (1120, 375937), (1240, 339556), (1267, 332320), (1340, 314216), (1448, 290780), (1736, 242540), (1810, 232624), (1876, 224440), (2077, 202720), (2144, 196385), (2170, 194032), (2345, 179552), (2480, 169778), (2534, 166160), (2680, 157108), (2896, 145390), (3472, 121270), (3620, 116312), (3752, 112220), (4154, 101360), (4340, 97016), (4690, 89776), (4960, 84889), (5068, 83080), (5360, 78554), (5611, 75040), (5792, 72695), (6335, 66464), (6944, 60635), (7240, 58156), (7504, 56110), (8308, 50680), (8680, 48508), (9380, 44888), (10136, 41540), (10385, 40544), (10720, 39277), (11222, 37520), (12127, 34720), (12670, 33232), (14480, 29078), (14539, 28960), (15008, 28055), (16616, 25340), (17360, 24254), (18760, 22444), (20272, 20770)]