219325840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 573713280

約数和(自身を除く): 354387440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 67, 68, 80, 83, 85, 116, 134, 136, 145, 166, 170, 232, 268, 272, 290, 332, 335, 340, 415, 464, 493, 536, 580, 664, 670, 680, 830, 986, 1072, 1139, 1160, 1328, 1340, 1360, 1411, 1660, 1943, 1972, 2278, 2320, 2407, 2465, 2680, 2822, 3320, 3886, 3944, 4556, 4814, 4930, 5360, 5561, 5644, 5695, 6640, 7055, 7772, 7888, 9112, 9628, 9715, 9860, 11122, 11288, 11390, 12035, 14110, 15544, 18224, 19256, 19430, 19720, 22244, 22576, 22780, 24070, 27805, 28220, 31088, 33031, 38512, 38860, 39440, 40919, 44488, 45560, 48140, 55610, 56440, 66062, 77720, 81838, 88976, 91120, 94537, 96280, 111220, 112880, 132124, 155440, 161269, 163676, 165155, 189074, 192560, 204595, 222440, 264248, 322538, 327352, 330310, 378148, 409190, 444880, 472685, 528496, 645076, 654704, 660620, 756296, 806345, 818380, 945370, 1290152, 1321240, 1512592, 1612690, 1636760, 1890740, 2580304, 2642480, 2741573, 3225380, 3273520, 3781480, 5483146, 6450760, 7562960, 10966292, 12901520, 13707865, 21932584, 27415730, 43865168, 54831460, 109662920, 219325840]

約数ペア:

[(1, 219325840), (2, 109662920), (4, 54831460), (5, 43865168), (8, 27415730), (10, 21932584), (16, 13707865), (17, 12901520), (20, 10966292), (29, 7562960), (34, 6450760), (40, 5483146), (58, 3781480), (67, 3273520), (68, 3225380), (80, 2741573), (83, 2642480), (85, 2580304), (116, 1890740), (134, 1636760), (136, 1612690), (145, 1512592), (166, 1321240), (170, 1290152), (232, 945370), (268, 818380), (272, 806345), (290, 756296), (332, 660620), (335, 654704), (340, 645076), (415, 528496), (464, 472685), (493, 444880), (536, 409190), (580, 378148), (664, 330310), (670, 327352), (680, 322538), (830, 264248), (986, 222440), (1072, 204595), (1139, 192560), (1160, 189074), (1328, 165155), (1340, 163676), (1360, 161269), (1411, 155440), (1660, 132124), (1943, 112880), (1972, 111220), (2278, 96280), (2320, 94537), (2407, 91120), (2465, 88976), (2680, 81838), (2822, 77720), (3320, 66062), (3886, 56440), (3944, 55610), (4556, 48140), (4814, 45560), (4930, 44488), (5360, 40919), (5561, 39440), (5644, 38860), (5695, 38512), (6640, 33031), (7055, 31088), (7772, 28220), (7888, 27805), (9112, 24070), (9628, 22780), (9715, 22576), (9860, 22244), (11122, 19720), (11288, 19430), (11390, 19256), (12035, 18224), (14110, 15544)]