396809920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 224

約数和(自身を含む): 1118347776

約数和(自身を除く): 721537856

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 64, 65, 68, 80, 85, 104, 124, 130, 136, 155, 160, 170, 181, 208, 221, 248, 260, 272, 310, 320, 340, 362, 403, 416, 442, 496, 520, 527, 544, 620, 680, 724, 806, 832, 884, 905, 992, 1040, 1054, 1088, 1105, 1240, 1360, 1448, 1612, 1768, 1810, 1984, 2015, 2080, 2108, 2210, 2353, 2480, 2635, 2720, 2896, 3077, 3224, 3536, 3620, 4030, 4160, 4216, 4420, 4706, 4960, 5270, 5440, 5611, 5792, 6154, 6448, 6851, 7072, 7240, 8060, 8432, 8840, 9412, 9920, 10540, 11222, 11584, 11765, 12308, 12896, 13702, 14144, 14480, 15385, 16120, 16864, 17680, 18824, 21080, 22444, 23530, 24616, 25792, 27404, 28055, 28960, 30770, 32240, 33728, 34255, 35360, 37648, 40001, 42160, 44888, 47060, 49232, 54808, 56110, 57920, 61540, 64480, 68510, 70720, 72943, 75296, 80002, 84320, 89776, 94120, 95387, 98464, 109616, 112220, 123080, 128960, 137020, 145886, 150592, 160004, 168640, 179552, 188240, 190774, 196928, 200005, 219232, 224440, 246160, 274040, 291772, 320008, 359104, 364715, 376480, 381548, 400010, 438464, 448880, 476935, 492320, 548080, 583544, 640016, 729430, 752960, 763096, 800020, 897760, 953870, 984640, 1096160, 1167088, 1240031, 1280032, 1458860, 1526192, 1600040, 1795520, 1907740, 2192320, 2334176, 2480062, 2560064, 2917720, 3052384, 3200080, 3815480, 4668352, 4960124, 5835440, 6104768, 6200155, 6400160, 7630960, 9920248, 11670880, 12400310, 12800320, 15261920, 19840496, 23341760, 24800620, 30523840, 39680992, 49601240, 79361984, 99202480, 198404960, 396809920]

約数ペア:

[(1, 396809920), (2, 198404960), (4, 99202480), (5, 79361984), (8, 49601240), (10, 39680992), (13, 30523840), (16, 24800620), (17, 23341760), (20, 19840496), (26, 15261920), (31, 12800320), (32, 12400310), (34, 11670880), (40, 9920248), (52, 7630960), (62, 6400160), (64, 6200155), (65, 6104768), (68, 5835440), (80, 4960124), (85, 4668352), (104, 3815480), (124, 3200080), (130, 3052384), (136, 2917720), (155, 2560064), (160, 2480062), (170, 2334176), (181, 2192320), (208, 1907740), (221, 1795520), (248, 1600040), (260, 1526192), (272, 1458860), (310, 1280032), (320, 1240031), (340, 1167088), (362, 1096160), (403, 984640), (416, 953870), (442, 897760), (496, 800020), (520, 763096), (527, 752960), (544, 729430), (620, 640016), (680, 583544), (724, 548080), (806, 492320), (832, 476935), (884, 448880), (905, 438464), (992, 400010), (1040, 381548), (1054, 376480), (1088, 364715), (1105, 359104), (1240, 320008), (1360, 291772), (1448, 274040), (1612, 246160), (1768, 224440), (1810, 219232), (1984, 200005), (2015, 196928), (2080, 190774), (2108, 188240), (2210, 179552), (2353, 168640), (2480, 160004), (2635, 150592), (2720, 145886), (2896, 137020), (3077, 128960), (3224, 123080), (3536, 112220), (3620, 109616), (4030, 98464), (4160, 95387), (4216, 94120), (4420, 89776), (4706, 84320), (4960, 80002), (5270, 75296), (5440, 72943), (5611, 70720), (5792, 68510), (6154, 64480), (6448, 61540), (6851, 57920), (7072, 56110), (7240, 54808), (8060, 49232), (8432, 47060), (8840, 44888), (9412, 42160), (9920, 40001), (10540, 37648), (11222, 35360), (11584, 34255), (11765, 33728), (12308, 32240), (12896, 30770), (13702, 28960), (14144, 28055), (14480, 27404), (15385, 25792), (16120, 24616), (16864, 23530), (17680, 22444), (18824, 21080)]