400021440

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:300

約数の個数: 448

約数和(自身を含む): 1652259840

約数和(自身を除く): 1252238400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 32, 35, 38, 39, 40, 42, 48, 52, 56, 57, 60, 64, 65, 70, 76, 78, 80, 84, 91, 95, 96, 104, 105, 112, 114, 120, 130, 133, 140, 152, 156, 160, 168, 182, 190, 192, 195, 208, 210, 224, 228, 240, 241, 247, 260, 266, 273, 280, 285, 304, 312, 320, 336, 364, 380, 390, 399, 416, 420, 448, 455, 456, 480, 482, 494, 520, 532, 546, 560, 570, 608, 624, 665, 672, 723, 728, 741, 760, 780, 798, 832, 840, 910, 912, 960, 964, 988, 1040, 1064, 1092, 1120, 1140, 1205, 1216, 1235, 1248, 1330, 1344, 1365, 1446, 1456, 1482, 1520, 1560, 1596, 1680, 1687, 1729, 1820, 1824, 1928, 1976, 1995, 2080, 2128, 2184, 2240, 2280, 2410, 2470, 2496, 2660, 2730, 2892, 2912, 2964, 3040, 3120, 3133, 3192, 3360, 3374, 3458, 3615, 3640, 3648, 3705, 3856, 3952, 3990, 4160, 4256, 4368, 4560, 4579, 4820, 4940, 5061, 5187, 5320, 5460, 5784, 5824, 5928, 6080, 6240, 6266, 6384, 6720, 6748, 6916, 7230, 7280, 7410, 7712, 7904, 7980, 8435, 8512, 8645, 8736, 9120, 9158, 9399, 9640, 9880, 10122, 10374, 10640, 10920, 11568, 11856, 12480, 12532, 12768, 13496, 13737, 13832, 14460, 14560, 14820, 15424, 15665, 15808, 15960, 16870, 17290, 17472, 18240, 18316, 18798, 19280, 19760, 20244, 20748, 21280, 21840, 21931, 22895, 23136, 23712, 25064, 25305, 25536, 25935, 26992, 27474, 27664, 28920, 29120, 29640, 31330, 31920, 32053, 33740, 34580, 36632, 37596, 38560, 39520, 40488, 41496, 42560, 43680, 43862, 45790, 46272, 46995, 47424, 50128, 50610, 51870, 53984, 54948, 55328, 57840, 59280, 59527, 62660, 63840, 64106, 65793, 67480, 68685, 69160, 73264, 75192, 77120, 79040, 80976, 82992, 87360, 87724, 91580, 93990, 96159, 100256, 101220, 103740, 107968, 109655, 109896, 110656, 115680, 118560, 119054, 125320, 127680, 128212, 131586, 134960, 137370, 138320, 146528, 150384, 160265, 161952, 165984, 175448, 178581, 183160, 187980, 192318, 200512, 202440, 207480, 219310, 219792, 231360, 237120, 238108, 250640, 256424, 263172, 269920, 274740, 276640, 293056, 297635, 300768, 320530, 323904, 328965, 331968, 350896, 357162, 366320, 375960, 384636, 404880, 414960, 416689, 438620, 439584, 476216, 480795, 501280, 512848, 526344, 539840, 549480, 553280, 595270, 601536, 641060, 657930, 701792, 714324, 732640, 751920, 769272, 809760, 829920, 833378, 877240, 879168, 892905, 952432, 961590, 1002560, 1025696, 1052688, 1098960, 1190540, 1250067, 1282120, 1315860, 1403584, 1428648, 1465280, 1503840, 1538544, 1619520, 1659840, 1666756, 1754480, 1785810, 1904864, 1923180, 2051392, 2083445, 2105376, 2197920, 2381080, 2500134, 2564240, 2631720, 2857296, 3007680, 3077088, 3333512, 3508960, 3571620, 3809728, 3846360, 4166890, 4210752, 4395840, 4762160, 5000268, 5128480, 5263440, 5714592, 6154176, 6250335, 6667024, 7017920, 7143240, 7692720, 8333780, 9524320, 10000536, 10256960, 10526880, 11429184, 12500670, 13334048, 14286480, 15385440, 16667560, 19048640, 20001072, 21053760, 25001340, 26668096, 28572960, 30770880, 33335120, 40002144, 50002680, 57145920, 66670240, 80004288, 100005360, 133340480, 200010720, 400021440]

約数ペア:

[(1, 400021440), (2, 200010720), (3, 133340480), (4, 100005360), (5, 80004288), (6, 66670240), (7, 57145920), (8, 50002680), (10, 40002144), (12, 33335120), (13, 30770880), (14, 28572960), (15, 26668096), (16, 25001340), (19, 21053760), (20, 20001072), (21, 19048640), (24, 16667560), (26, 15385440), (28, 14286480), (30, 13334048), (32, 12500670), (35, 11429184), (38, 10526880), (39, 10256960), (40, 10000536), (42, 9524320), (48, 8333780), (52, 7692720), (56, 7143240), (57, 7017920), (60, 6667024), (64, 6250335), (65, 6154176), (70, 5714592), (76, 5263440), (78, 5128480), (80, 5000268), (84, 4762160), (91, 4395840), (95, 4210752), (96, 4166890), (104, 3846360), (105, 3809728), (112, 3571620), (114, 3508960), (120, 3333512), (130, 3077088), (133, 3007680), (140, 2857296), (152, 2631720), (156, 2564240), (160, 2500134), (168, 2381080), (182, 2197920), (190, 2105376), (192, 2083445), (195, 2051392), (208, 1923180), (210, 1904864), (224, 1785810), (228, 1754480), (240, 1666756), (241, 1659840), (247, 1619520), (260, 1538544), (266, 1503840), (273, 1465280), (280, 1428648), (285, 1403584), (304, 1315860), (312, 1282120), (320, 1250067), (336, 1190540), (364, 1098960), (380, 1052688), (390, 1025696), (399, 1002560), (416, 961590), (420, 952432), (448, 892905), (455, 879168), (456, 877240), (480, 833378), (482, 829920), (494, 809760), (520, 769272), (532, 751920), (546, 732640), (560, 714324), (570, 701792), (608, 657930), (624, 641060), (665, 601536), (672, 595270), (723, 553280), (728, 549480), (741, 539840), (760, 526344), (780, 512848), (798, 501280), (832, 480795), (840, 476216), (910, 439584), (912, 438620), (960, 416689), (964, 414960), (988, 404880), (1040, 384636), (1064, 375960), (1092, 366320), (1120, 357162), (1140, 350896), (1205, 331968), (1216, 328965), (1235, 323904), (1248, 320530), (1330, 300768), (1344, 297635), (1365, 293056), (1446, 276640), (1456, 274740), (1482, 269920), (1520, 263172), (1560, 256424), (1596, 250640), (1680, 238108), (1687, 237120), (1729, 231360), (1820, 219792), (1824, 219310), (1928, 207480), (1976, 202440), (1995, 200512), (2080, 192318), (2128, 187980), (2184, 183160), (2240, 178581), (2280, 175448), (2410, 165984), (2470, 161952), (2496, 160265), (2660, 150384), (2730, 146528), (2892, 138320), (2912, 137370), (2964, 134960), (3040, 131586), (3120, 128212), (3133, 127680), (3192, 125320), (3360, 119054), (3374, 118560), (3458, 115680), (3615, 110656), (3640, 109896), (3648, 109655), (3705, 107968), (3856, 103740), (3952, 101220), (3990, 100256), (4160, 96159), (4256, 93990), (4368, 91580), (4560, 87724), (4579, 87360), (4820, 82992), (4940, 80976), (5061, 79040), (5187, 77120), (5320, 75192), (5460, 73264), (5784, 69160), (5824, 68685), (5928, 67480), (6080, 65793), (6240, 64106), (6266, 63840), (6384, 62660), (6720, 59527), (6748, 59280), (6916, 57840), (7230, 55328), (7280, 54948), (7410, 53984), (7712, 51870), (7904, 50610), (7980, 50128), (8435, 47424), (8512, 46995), (8645, 46272), (8736, 45790), (9120, 43862), (9158, 43680), (9399, 42560), (9640, 41496), (9880, 40488), (10122, 39520), (10374, 38560), (10640, 37596), (10920, 36632), (11568, 34580), (11856, 33740), (12480, 32053), (12532, 31920), (12768, 31330), (13496, 29640), (13737, 29120), (13832, 28920), (14460, 27664), (14560, 27474), (14820, 26992), (15424, 25935), (15665, 25536), (15808, 25305), (15960, 25064), (16870, 23712), (17290, 23136), (17472, 22895), (18240, 21931), (18316, 21840), (18798, 21280), (19280, 20748), (19760, 20244)]