389665920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{367}}^1$

素因数の和:475

約数の個数: 256

約数和(自身を含む): 1441382400

約数和(自身を除く): 1051716480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 79, 80, 84, 96, 105, 112, 120, 128, 140, 158, 160, 168, 192, 210, 224, 237, 240, 280, 316, 320, 336, 367, 384, 395, 420, 448, 474, 480, 553, 560, 632, 640, 672, 734, 790, 840, 896, 948, 960, 1101, 1106, 1120, 1185, 1264, 1344, 1468, 1580, 1659, 1680, 1835, 1896, 1920, 2202, 2212, 2240, 2370, 2528, 2569, 2688, 2765, 2936, 3160, 3318, 3360, 3670, 3792, 4404, 4424, 4480, 4740, 5056, 5138, 5505, 5530, 5872, 6320, 6636, 6720, 7340, 7584, 7707, 8295, 8808, 8848, 9480, 10112, 10276, 11010, 11060, 11744, 12640, 12845, 13272, 13440, 14680, 15168, 15414, 16590, 17616, 17696, 18960, 20552, 22020, 22120, 23488, 25280, 25690, 26544, 28993, 29360, 30336, 30828, 33180, 35232, 35392, 37920, 38535, 41104, 44040, 44240, 46976, 50560, 51380, 53088, 57986, 58720, 61656, 66360, 70464, 70784, 75840, 77070, 82208, 86979, 88080, 88480, 102760, 106176, 115972, 117440, 123312, 132720, 140928, 144965, 151680, 154140, 164416, 173958, 176160, 176960, 202951, 205520, 212352, 231944, 234880, 246624, 265440, 289930, 308280, 328832, 347916, 352320, 353920, 405902, 411040, 434895, 463888, 493248, 530880, 579860, 608853, 616560, 695832, 704640, 811804, 822080, 869790, 927776, 986496, 1014755, 1061760, 1159720, 1217706, 1233120, 1391664, 1623608, 1644160, 1739580, 1855552, 2029510, 2319440, 2435412, 2466240, 2783328, 3044265, 3247216, 3479160, 3711104, 4059020, 4638880, 4870824, 4932480, 5566656, 6088530, 6494432, 6958320, 8118040, 9277760, 9741648, 11133312, 12177060, 12988864, 13916640, 16236080, 18555520, 19483296, 24354120, 25977728, 27833280, 32472160, 38966592, 48708240, 55666560, 64944320, 77933184, 97416480, 129888640, 194832960, 389665920]

約数ペア:

[(1, 389665920), (2, 194832960), (3, 129888640), (4, 97416480), (5, 77933184), (6, 64944320), (7, 55666560), (8, 48708240), (10, 38966592), (12, 32472160), (14, 27833280), (15, 25977728), (16, 24354120), (20, 19483296), (21, 18555520), (24, 16236080), (28, 13916640), (30, 12988864), (32, 12177060), (35, 11133312), (40, 9741648), (42, 9277760), (48, 8118040), (56, 6958320), (60, 6494432), (64, 6088530), (70, 5566656), (79, 4932480), (80, 4870824), (84, 4638880), (96, 4059020), (105, 3711104), (112, 3479160), (120, 3247216), (128, 3044265), (140, 2783328), (158, 2466240), (160, 2435412), (168, 2319440), (192, 2029510), (210, 1855552), (224, 1739580), (237, 1644160), (240, 1623608), (280, 1391664), (316, 1233120), (320, 1217706), (336, 1159720), (367, 1061760), (384, 1014755), (395, 986496), (420, 927776), (448, 869790), (474, 822080), (480, 811804), (553, 704640), (560, 695832), (632, 616560), (640, 608853), (672, 579860), (734, 530880), (790, 493248), (840, 463888), (896, 434895), (948, 411040), (960, 405902), (1101, 353920), (1106, 352320), (1120, 347916), (1185, 328832), (1264, 308280), (1344, 289930), (1468, 265440), (1580, 246624), (1659, 234880), (1680, 231944), (1835, 212352), (1896, 205520), (1920, 202951), (2202, 176960), (2212, 176160), (2240, 173958), (2370, 164416), (2528, 154140), (2569, 151680), (2688, 144965), (2765, 140928), (2936, 132720), (3160, 123312), (3318, 117440), (3360, 115972), (3670, 106176), (3792, 102760), (4404, 88480), (4424, 88080), (4480, 86979), (4740, 82208), (5056, 77070), (5138, 75840), (5505, 70784), (5530, 70464), (5872, 66360), (6320, 61656), (6636, 58720), (6720, 57986), (7340, 53088), (7584, 51380), (7707, 50560), (8295, 46976), (8808, 44240), (8848, 44040), (9480, 41104), (10112, 38535), (10276, 37920), (11010, 35392), (11060, 35232), (11744, 33180), (12640, 30828), (12845, 30336), (13272, 29360), (13440, 28993), (14680, 26544), (15168, 25690), (15414, 25280), (16590, 23488), (17616, 22120), (17696, 22020), (18960, 20552)]