388030720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 288

約数和(自身を含む): 1205600256

約数和(自身を除く): 817569536

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 64, 70, 77, 80, 88, 110, 112, 124, 127, 128, 140, 154, 155, 160, 176, 217, 220, 224, 248, 254, 256, 280, 308, 310, 320, 341, 352, 385, 434, 440, 448, 496, 508, 560, 616, 620, 635, 640, 682, 704, 770, 868, 880, 889, 896, 992, 1016, 1085, 1120, 1232, 1240, 1270, 1280, 1364, 1397, 1408, 1540, 1705, 1736, 1760, 1778, 1792, 1984, 2032, 2170, 2240, 2387, 2464, 2480, 2540, 2728, 2794, 2816, 3080, 3410, 3472, 3520, 3556, 3937, 3968, 4064, 4340, 4445, 4480, 4774, 4928, 4960, 5080, 5456, 5588, 6160, 6820, 6944, 6985, 7040, 7112, 7874, 7936, 8128, 8680, 8890, 8960, 9548, 9779, 9856, 9920, 10160, 10912, 11176, 11935, 12320, 13640, 13888, 13970, 14080, 14224, 15748, 16256, 17360, 17780, 19096, 19558, 19685, 19712, 19840, 20320, 21824, 22352, 23870, 24640, 27280, 27559, 27776, 27940, 28448, 31496, 32512, 34720, 35560, 38192, 39116, 39370, 39680, 40640, 43307, 43648, 44704, 47740, 48895, 49280, 54560, 55118, 55552, 55880, 56896, 62992, 69440, 71120, 76384, 78232, 78740, 81280, 86614, 87296, 89408, 95480, 97790, 98560, 109120, 110236, 111760, 113792, 125984, 137795, 138880, 142240, 152768, 156464, 157480, 162560, 173228, 178816, 190960, 195580, 216535, 218240, 220472, 223520, 227584, 251968, 275590, 277760, 284480, 303149, 305536, 312928, 314960, 346456, 357632, 381920, 391160, 433070, 436480, 440944, 447040, 503936, 551180, 568960, 606298, 611072, 625856, 629920, 692912, 763840, 782320, 866140, 881888, 894080, 1007872, 1102360, 1137920, 1212596, 1251712, 1259840, 1385824, 1515745, 1527680, 1564640, 1732280, 1763776, 1788160, 2204720, 2425192, 2503424, 2519680, 2771648, 3031490, 3055360, 3129280, 3464560, 3527552, 4409440, 4850384, 5039360, 5543296, 6062980, 6258560, 6929120, 7055104, 8818880, 9700768, 11086592, 12125960, 12517120, 13858240, 17637760, 19401536, 24251920, 27716480, 35275520, 38803072, 48503840, 55432960, 77606144, 97007680, 194015360, 388030720]

約数ペア:

[(1, 388030720), (2, 194015360), (4, 97007680), (5, 77606144), (7, 55432960), (8, 48503840), (10, 38803072), (11, 35275520), (14, 27716480), (16, 24251920), (20, 19401536), (22, 17637760), (28, 13858240), (31, 12517120), (32, 12125960), (35, 11086592), (40, 9700768), (44, 8818880), (55, 7055104), (56, 6929120), (62, 6258560), (64, 6062980), (70, 5543296), (77, 5039360), (80, 4850384), (88, 4409440), (110, 3527552), (112, 3464560), (124, 3129280), (127, 3055360), (128, 3031490), (140, 2771648), (154, 2519680), (155, 2503424), (160, 2425192), (176, 2204720), (217, 1788160), (220, 1763776), (224, 1732280), (248, 1564640), (254, 1527680), (256, 1515745), (280, 1385824), (308, 1259840), (310, 1251712), (320, 1212596), (341, 1137920), (352, 1102360), (385, 1007872), (434, 894080), (440, 881888), (448, 866140), (496, 782320), (508, 763840), (560, 692912), (616, 629920), (620, 625856), (635, 611072), (640, 606298), (682, 568960), (704, 551180), (770, 503936), (868, 447040), (880, 440944), (889, 436480), (896, 433070), (992, 391160), (1016, 381920), (1085, 357632), (1120, 346456), (1232, 314960), (1240, 312928), (1270, 305536), (1280, 303149), (1364, 284480), (1397, 277760), (1408, 275590), (1540, 251968), (1705, 227584), (1736, 223520), (1760, 220472), (1778, 218240), (1792, 216535), (1984, 195580), (2032, 190960), (2170, 178816), (2240, 173228), (2387, 162560), (2464, 157480), (2480, 156464), (2540, 152768), (2728, 142240), (2794, 138880), (2816, 137795), (3080, 125984), (3410, 113792), (3472, 111760), (3520, 110236), (3556, 109120), (3937, 98560), (3968, 97790), (4064, 95480), (4340, 89408), (4445, 87296), (4480, 86614), (4774, 81280), (4928, 78740), (4960, 78232), (5080, 76384), (5456, 71120), (5588, 69440), (6160, 62992), (6820, 56896), (6944, 55880), (6985, 55552), (7040, 55118), (7112, 54560), (7874, 49280), (7936, 48895), (8128, 47740), (8680, 44704), (8890, 43648), (8960, 43307), (9548, 40640), (9779, 39680), (9856, 39370), (9920, 39116), (10160, 38192), (10912, 35560), (11176, 34720), (11935, 32512), (12320, 31496), (13640, 28448), (13888, 27940), (13970, 27776), (14080, 27559), (14224, 27280), (15748, 24640), (16256, 23870), (17360, 22352), (17780, 21824), (19096, 20320), (19558, 19840), (19685, 19712)]