1908166400

素因数分解:

$2^8\times 5^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{223}}^1$

素因数の和:447

約数の個数: 216

約数和(自身を含む): 5450317824

約数和(自身を除く): 3542151424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 128, 140, 160, 175, 191, 200, 223, 224, 256, 280, 320, 350, 382, 400, 446, 448, 560, 640, 700, 764, 800, 892, 896, 955, 1115, 1120, 1280, 1337, 1400, 1528, 1561, 1600, 1784, 1792, 1910, 2230, 2240, 2674, 2800, 3056, 3122, 3200, 3568, 3820, 4460, 4480, 4775, 5348, 5575, 5600, 6112, 6244, 6400, 6685, 7136, 7640, 7805, 8920, 8960, 9550, 10696, 11150, 11200, 12224, 12488, 13370, 14272, 15280, 15610, 17840, 19100, 21392, 22300, 22400, 24448, 24976, 26740, 28544, 30560, 31220, 33425, 35680, 38200, 39025, 42593, 42784, 44600, 44800, 48896, 49952, 53480, 57088, 61120, 62440, 66850, 71360, 76400, 78050, 85186, 85568, 89200, 99904, 106960, 122240, 124880, 133700, 142720, 152800, 156100, 170372, 171136, 178400, 199808, 212965, 213920, 244480, 249760, 267400, 285440, 298151, 305600, 312200, 340744, 342272, 356800, 399616, 425930, 427840, 499520, 534800, 596302, 611200, 624400, 681488, 713600, 851860, 855680, 999040, 1064825, 1069600, 1192604, 1222400, 1248800, 1362976, 1427200, 1490755, 1703720, 1711360, 1998080, 2129650, 2139200, 2385208, 2497600, 2725952, 2981510, 3407440, 4259300, 4278400, 4770416, 4995200, 5451904, 5963020, 6814880, 7453775, 8518600, 8556800, 9540832, 9990400, 10903808, 11926040, 13629760, 14907550, 17037200, 19081664, 23852080, 27259520, 29815100, 34074400, 38163328, 47704160, 54519040, 59630200, 68148800, 76326656, 95408320, 119260400, 136297600, 190816640, 238520800, 272595200, 381633280, 477041600, 954083200, 1908166400]

約数ペア:

[(1, 1908166400), (2, 954083200), (4, 477041600), (5, 381633280), (7, 272595200), (8, 238520800), (10, 190816640), (14, 136297600), (16, 119260400), (20, 95408320), (25, 76326656), (28, 68148800), (32, 59630200), (35, 54519040), (40, 47704160), (50, 38163328), (56, 34074400), (64, 29815100), (70, 27259520), (80, 23852080), (100, 19081664), (112, 17037200), (128, 14907550), (140, 13629760), (160, 11926040), (175, 10903808), (191, 9990400), (200, 9540832), (223, 8556800), (224, 8518600), (256, 7453775), (280, 6814880), (320, 5963020), (350, 5451904), (382, 4995200), (400, 4770416), (446, 4278400), (448, 4259300), (560, 3407440), (640, 2981510), (700, 2725952), (764, 2497600), (800, 2385208), (892, 2139200), (896, 2129650), (955, 1998080), (1115, 1711360), (1120, 1703720), (1280, 1490755), (1337, 1427200), (1400, 1362976), (1528, 1248800), (1561, 1222400), (1600, 1192604), (1784, 1069600), (1792, 1064825), (1910, 999040), (2230, 855680), (2240, 851860), (2674, 713600), (2800, 681488), (3056, 624400), (3122, 611200), (3200, 596302), (3568, 534800), (3820, 499520), (4460, 427840), (4480, 425930), (4775, 399616), (5348, 356800), (5575, 342272), (5600, 340744), (6112, 312200), (6244, 305600), (6400, 298151), (6685, 285440), (7136, 267400), (7640, 249760), (7805, 244480), (8920, 213920), (8960, 212965), (9550, 199808), (10696, 178400), (11150, 171136), (11200, 170372), (12224, 156100), (12488, 152800), (13370, 142720), (14272, 133700), (15280, 124880), (15610, 122240), (17840, 106960), (19100, 99904), (21392, 89200), (22300, 85568), (22400, 85186), (24448, 78050), (24976, 76400), (26740, 71360), (28544, 66850), (30560, 62440), (31220, 61120), (33425, 57088), (35680, 53480), (38200, 49952), (39025, 48896), (42593, 44800), (42784, 44600)]