397307680

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:328

約数の個数: 288

約数和(自身を含む): 1265870592

約数和(自身を除く): 868562912

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 49, 55, 56, 68, 70, 77, 80, 85, 88, 98, 110, 112, 119, 136, 140, 154, 160, 170, 176, 187, 196, 220, 224, 238, 245, 271, 272, 280, 308, 340, 352, 374, 385, 392, 440, 476, 490, 539, 542, 544, 560, 595, 616, 680, 748, 770, 784, 833, 880, 935, 952, 980, 1078, 1084, 1120, 1190, 1232, 1309, 1355, 1360, 1496, 1540, 1568, 1666, 1760, 1870, 1897, 1904, 1960, 2156, 2168, 2380, 2464, 2618, 2695, 2710, 2720, 2981, 2992, 3080, 3332, 3740, 3794, 3808, 3920, 4165, 4312, 4336, 4607, 4760, 5236, 5390, 5420, 5962, 5984, 6160, 6545, 6664, 7480, 7588, 7840, 8330, 8624, 8672, 9163, 9214, 9485, 9520, 10472, 10780, 10840, 11924, 12320, 13090, 13279, 13328, 14905, 14960, 15176, 16660, 17248, 18326, 18428, 18970, 19040, 20867, 20944, 21560, 21680, 23035, 23848, 26180, 26558, 26656, 29810, 29920, 30352, 32249, 33320, 36652, 36856, 37940, 41734, 41888, 43120, 43360, 45815, 46070, 47696, 50677, 52360, 53116, 59620, 60704, 64498, 66395, 66640, 73304, 73712, 75880, 83468, 86240, 91630, 92140, 95392, 101354, 104335, 104720, 106232, 119240, 128996, 132790, 133280, 146069, 146608, 147424, 151760, 161245, 166936, 183260, 184280, 202708, 208670, 209440, 212464, 225743, 238480, 253385, 257992, 265580, 292138, 293216, 303520, 322490, 333872, 354739, 366520, 368560, 405416, 417340, 424928, 451486, 476960, 506770, 515984, 531160, 584276, 644980, 667744, 709478, 730345, 733040, 737120, 810832, 834680, 902972, 1013540, 1031968, 1062320, 1128715, 1168552, 1289960, 1418956, 1460690, 1466080, 1621664, 1669360, 1773695, 1805944, 2027080, 2124640, 2257430, 2337104, 2483173, 2579920, 2837912, 2921380, 3338720, 3547390, 3611888, 4054160, 4514860, 4674208, 4966346, 5159840, 5675824, 5842760, 7094780, 7223776, 8108320, 9029720, 9932692, 11351648, 11685520, 12415865, 14189560, 18059440, 19865384, 23371040, 24831730, 28379120, 36118880, 39730768, 49663460, 56758240, 79461536, 99326920, 198653840, 397307680]

約数ペア:

[(1, 397307680), (2, 198653840), (4, 99326920), (5, 79461536), (7, 56758240), (8, 49663460), (10, 39730768), (11, 36118880), (14, 28379120), (16, 24831730), (17, 23371040), (20, 19865384), (22, 18059440), (28, 14189560), (32, 12415865), (34, 11685520), (35, 11351648), (40, 9932692), (44, 9029720), (49, 8108320), (55, 7223776), (56, 7094780), (68, 5842760), (70, 5675824), (77, 5159840), (80, 4966346), (85, 4674208), (88, 4514860), (98, 4054160), (110, 3611888), (112, 3547390), (119, 3338720), (136, 2921380), (140, 2837912), (154, 2579920), (160, 2483173), (170, 2337104), (176, 2257430), (187, 2124640), (196, 2027080), (220, 1805944), (224, 1773695), (238, 1669360), (245, 1621664), (271, 1466080), (272, 1460690), (280, 1418956), (308, 1289960), (340, 1168552), (352, 1128715), (374, 1062320), (385, 1031968), (392, 1013540), (440, 902972), (476, 834680), (490, 810832), (539, 737120), (542, 733040), (544, 730345), (560, 709478), (595, 667744), (616, 644980), (680, 584276), (748, 531160), (770, 515984), (784, 506770), (833, 476960), (880, 451486), (935, 424928), (952, 417340), (980, 405416), (1078, 368560), (1084, 366520), (1120, 354739), (1190, 333872), (1232, 322490), (1309, 303520), (1355, 293216), (1360, 292138), (1496, 265580), (1540, 257992), (1568, 253385), (1666, 238480), (1760, 225743), (1870, 212464), (1897, 209440), (1904, 208670), (1960, 202708), (2156, 184280), (2168, 183260), (2380, 166936), (2464, 161245), (2618, 151760), (2695, 147424), (2710, 146608), (2720, 146069), (2981, 133280), (2992, 132790), (3080, 128996), (3332, 119240), (3740, 106232), (3794, 104720), (3808, 104335), (3920, 101354), (4165, 95392), (4312, 92140), (4336, 91630), (4607, 86240), (4760, 83468), (5236, 75880), (5390, 73712), (5420, 73304), (5962, 66640), (5984, 66395), (6160, 64498), (6545, 60704), (6664, 59620), (7480, 53116), (7588, 52360), (7840, 50677), (8330, 47696), (8624, 46070), (8672, 45815), (9163, 43360), (9214, 43120), (9485, 41888), (9520, 41734), (10472, 37940), (10780, 36856), (10840, 36652), (11924, 33320), (12320, 32249), (13090, 30352), (13279, 29920), (13328, 29810), (14905, 26656), (14960, 26558), (15176, 26180), (16660, 23848), (17248, 23035), (18326, 21680), (18428, 21560), (18970, 20944), (19040, 20867)]