397123920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 240

約数和(自身を含む): 1389053952

約数和(自身を除く): 991930032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 101, 120, 127, 129, 144, 172, 180, 202, 215, 240, 254, 258, 303, 344, 360, 381, 387, 404, 430, 505, 508, 516, 606, 635, 645, 688, 720, 762, 774, 808, 860, 909, 1010, 1016, 1032, 1143, 1212, 1270, 1290, 1515, 1524, 1548, 1616, 1720, 1818, 1905, 1935, 2020, 2032, 2064, 2286, 2424, 2540, 2580, 3030, 3048, 3096, 3440, 3636, 3810, 3870, 4040, 4343, 4545, 4572, 4848, 5080, 5160, 5461, 5715, 6060, 6096, 6192, 7272, 7620, 7740, 8080, 8686, 9090, 9144, 10160, 10320, 10922, 11430, 12120, 12827, 13029, 14544, 15240, 15480, 16383, 17372, 18180, 18288, 21715, 21844, 22860, 24240, 25654, 26058, 27305, 30480, 30960, 32766, 34744, 36360, 38481, 39087, 43430, 43688, 45720, 49149, 51308, 52116, 54610, 64135, 65145, 65532, 69488, 72720, 76962, 78174, 81915, 86860, 87376, 91440, 98298, 102616, 104232, 109220, 115443, 128270, 130290, 131064, 153924, 156348, 163830, 173720, 192405, 195435, 196596, 205232, 208464, 218440, 230886, 245745, 256540, 260580, 262128, 307848, 312696, 327660, 347440, 384810, 390870, 393192, 436880, 461772, 491490, 513080, 521160, 551561, 577215, 615696, 625392, 655320, 769620, 781740, 786384, 923544, 982980, 1026160, 1042320, 1103122, 1154430, 1310640, 1539240, 1563480, 1654683, 1847088, 1965960, 2206244, 2308860, 2757805, 3078480, 3126960, 3309366, 3931920, 4412488, 4617720, 4964049, 5515610, 6618732, 8273415, 8824976, 9235440, 9928098, 11031220, 13237464, 16546830, 19856196, 22062440, 24820245, 26474928, 33093660, 39712392, 44124880, 49640490, 66187320, 79424784, 99280980, 132374640, 198561960, 397123920]

約数ペア:

[(1, 397123920), (2, 198561960), (3, 132374640), (4, 99280980), (5, 79424784), (6, 66187320), (8, 49640490), (9, 44124880), (10, 39712392), (12, 33093660), (15, 26474928), (16, 24820245), (18, 22062440), (20, 19856196), (24, 16546830), (30, 13237464), (36, 11031220), (40, 9928098), (43, 9235440), (45, 8824976), (48, 8273415), (60, 6618732), (72, 5515610), (80, 4964049), (86, 4617720), (90, 4412488), (101, 3931920), (120, 3309366), (127, 3126960), (129, 3078480), (144, 2757805), (172, 2308860), (180, 2206244), (202, 1965960), (215, 1847088), (240, 1654683), (254, 1563480), (258, 1539240), (303, 1310640), (344, 1154430), (360, 1103122), (381, 1042320), (387, 1026160), (404, 982980), (430, 923544), (505, 786384), (508, 781740), (516, 769620), (606, 655320), (635, 625392), (645, 615696), (688, 577215), (720, 551561), (762, 521160), (774, 513080), (808, 491490), (860, 461772), (909, 436880), (1010, 393192), (1016, 390870), (1032, 384810), (1143, 347440), (1212, 327660), (1270, 312696), (1290, 307848), (1515, 262128), (1524, 260580), (1548, 256540), (1616, 245745), (1720, 230886), (1818, 218440), (1905, 208464), (1935, 205232), (2020, 196596), (2032, 195435), (2064, 192405), (2286, 173720), (2424, 163830), (2540, 156348), (2580, 153924), (3030, 131064), (3048, 130290), (3096, 128270), (3440, 115443), (3636, 109220), (3810, 104232), (3870, 102616), (4040, 98298), (4343, 91440), (4545, 87376), (4572, 86860), (4848, 81915), (5080, 78174), (5160, 76962), (5461, 72720), (5715, 69488), (6060, 65532), (6096, 65145), (6192, 64135), (7272, 54610), (7620, 52116), (7740, 51308), (8080, 49149), (8686, 45720), (9090, 43688), (9144, 43430), (10160, 39087), (10320, 38481), (10922, 36360), (11430, 34744), (12120, 32766), (12827, 30960), (13029, 30480), (14544, 27305), (15240, 26058), (15480, 25654), (16383, 24240), (17372, 22860), (18180, 21844), (18288, 21715)]