388421880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:490

約数の個数: 256

約数和(自身を含む): 1468661760

約数和(自身を除く): 1080239880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 127, 132, 140, 154, 165, 168, 210, 220, 231, 254, 264, 280, 308, 330, 331, 381, 385, 420, 440, 462, 508, 616, 635, 660, 662, 762, 770, 840, 889, 924, 993, 1016, 1155, 1270, 1320, 1324, 1397, 1524, 1540, 1655, 1778, 1848, 1905, 1986, 2310, 2317, 2540, 2648, 2667, 2794, 3048, 3080, 3310, 3556, 3641, 3810, 3972, 4191, 4445, 4620, 4634, 4965, 5080, 5334, 5588, 6620, 6951, 6985, 7112, 7282, 7620, 7944, 8382, 8890, 9240, 9268, 9779, 9930, 10668, 10923, 11176, 11585, 13240, 13335, 13902, 13970, 14564, 15240, 16764, 17780, 18205, 18536, 19558, 19860, 20955, 21336, 21846, 23170, 25487, 26670, 27804, 27940, 29128, 29337, 33528, 34755, 35560, 36410, 39116, 39720, 41910, 42037, 43692, 46340, 48895, 50974, 53340, 54615, 55608, 55880, 58674, 69510, 72820, 76461, 78232, 83820, 84074, 87384, 92680, 97790, 101948, 106680, 109230, 117348, 126111, 127435, 139020, 145640, 146685, 152922, 167640, 168148, 195580, 203896, 210185, 218460, 234696, 252222, 254870, 278040, 293370, 294259, 305844, 336296, 382305, 391160, 420370, 436920, 462407, 504444, 509740, 586740, 588518, 611688, 630555, 764610, 840740, 882777, 924814, 1008888, 1019480, 1173480, 1177036, 1261110, 1387221, 1471295, 1529220, 1681480, 1765554, 1849628, 2312035, 2354072, 2522220, 2774442, 2942590, 3058440, 3236849, 3531108, 3699256, 4413885, 4624070, 5044440, 5548884, 5885180, 6473698, 6936105, 7062216, 8827770, 9248140, 9710547, 11097768, 11770360, 12947396, 13872210, 16184245, 17655540, 18496280, 19421094, 25894792, 27744420, 32368490, 35311080, 38842188, 48552735, 55488840, 64736980, 77684376, 97105470, 129473960, 194210940, 388421880]

約数ペア:

[(1, 388421880), (2, 194210940), (3, 129473960), (4, 97105470), (5, 77684376), (6, 64736980), (7, 55488840), (8, 48552735), (10, 38842188), (11, 35311080), (12, 32368490), (14, 27744420), (15, 25894792), (20, 19421094), (21, 18496280), (22, 17655540), (24, 16184245), (28, 13872210), (30, 12947396), (33, 11770360), (35, 11097768), (40, 9710547), (42, 9248140), (44, 8827770), (55, 7062216), (56, 6936105), (60, 6473698), (66, 5885180), (70, 5548884), (77, 5044440), (84, 4624070), (88, 4413885), (105, 3699256), (110, 3531108), (120, 3236849), (127, 3058440), (132, 2942590), (140, 2774442), (154, 2522220), (165, 2354072), (168, 2312035), (210, 1849628), (220, 1765554), (231, 1681480), (254, 1529220), (264, 1471295), (280, 1387221), (308, 1261110), (330, 1177036), (331, 1173480), (381, 1019480), (385, 1008888), (420, 924814), (440, 882777), (462, 840740), (508, 764610), (616, 630555), (635, 611688), (660, 588518), (662, 586740), (762, 509740), (770, 504444), (840, 462407), (889, 436920), (924, 420370), (993, 391160), (1016, 382305), (1155, 336296), (1270, 305844), (1320, 294259), (1324, 293370), (1397, 278040), (1524, 254870), (1540, 252222), (1655, 234696), (1778, 218460), (1848, 210185), (1905, 203896), (1986, 195580), (2310, 168148), (2317, 167640), (2540, 152922), (2648, 146685), (2667, 145640), (2794, 139020), (3048, 127435), (3080, 126111), (3310, 117348), (3556, 109230), (3641, 106680), (3810, 101948), (3972, 97790), (4191, 92680), (4445, 87384), (4620, 84074), (4634, 83820), (4965, 78232), (5080, 76461), (5334, 72820), (5588, 69510), (6620, 58674), (6951, 55880), (6985, 55608), (7112, 54615), (7282, 53340), (7620, 50974), (7944, 48895), (8382, 46340), (8890, 43692), (9240, 42037), (9268, 41910), (9779, 39720), (9930, 39116), (10668, 36410), (10923, 35560), (11176, 34755), (11585, 33528), (13240, 29337), (13335, 29128), (13902, 27940), (13970, 27804), (14564, 26670), (15240, 25487), (16764, 23170), (17780, 21846), (18205, 21336), (18536, 20955), (19558, 19860)]