398083840

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{577}}^1$

素因数の和:623

約数の個数: 216

約数和(自身を含む): 1212149232

約数和(自身を除く): 814065392

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 128, 140, 154, 160, 176, 196, 220, 224, 245, 256, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 577, 616, 640, 704, 770, 784, 880, 896, 980, 1078, 1120, 1154, 1232, 1280, 1408, 1540, 1568, 1760, 1792, 1960, 2156, 2240, 2308, 2464, 2695, 2816, 2885, 3080, 3136, 3520, 3920, 4039, 4312, 4480, 4616, 4928, 5390, 5770, 6160, 6272, 6347, 7040, 7840, 8078, 8624, 8960, 9232, 9856, 10780, 11540, 12320, 12544, 12694, 14080, 15680, 16156, 17248, 18464, 19712, 20195, 21560, 23080, 24640, 25388, 28273, 31360, 31735, 32312, 34496, 36928, 40390, 43120, 44429, 46160, 49280, 50776, 56546, 62720, 63470, 64624, 68992, 73856, 80780, 86240, 88858, 92320, 98560, 101552, 113092, 126940, 129248, 137984, 141365, 147712, 161560, 172480, 177716, 184640, 203104, 222145, 226184, 253880, 258496, 282730, 311003, 323120, 344960, 355432, 369280, 406208, 444290, 452368, 507760, 516992, 565460, 622006, 646240, 689920, 710864, 738560, 812416, 888580, 904736, 1015520, 1033984, 1130920, 1244012, 1292480, 1421728, 1555015, 1624832, 1777160, 1809472, 2031040, 2261840, 2488024, 2584960, 2843456, 3110030, 3554320, 3618944, 4062080, 4523680, 4976048, 5169920, 5686912, 6220060, 7108640, 7237888, 8124160, 9047360, 9952096, 11373824, 12440120, 14217280, 18094720, 19904192, 24880240, 28434560, 36189440, 39808384, 49760480, 56869120, 79616768, 99520960, 199041920, 398083840]

約数ペア:

[(1, 398083840), (2, 199041920), (4, 99520960), (5, 79616768), (7, 56869120), (8, 49760480), (10, 39808384), (11, 36189440), (14, 28434560), (16, 24880240), (20, 19904192), (22, 18094720), (28, 14217280), (32, 12440120), (35, 11373824), (40, 9952096), (44, 9047360), (49, 8124160), (55, 7237888), (56, 7108640), (64, 6220060), (70, 5686912), (77, 5169920), (80, 4976048), (88, 4523680), (98, 4062080), (110, 3618944), (112, 3554320), (128, 3110030), (140, 2843456), (154, 2584960), (160, 2488024), (176, 2261840), (196, 2031040), (220, 1809472), (224, 1777160), (245, 1624832), (256, 1555015), (280, 1421728), (308, 1292480), (320, 1244012), (352, 1130920), (385, 1033984), (392, 1015520), (440, 904736), (448, 888580), (490, 812416), (539, 738560), (560, 710864), (577, 689920), (616, 646240), (640, 622006), (704, 565460), (770, 516992), (784, 507760), (880, 452368), (896, 444290), (980, 406208), (1078, 369280), (1120, 355432), (1154, 344960), (1232, 323120), (1280, 311003), (1408, 282730), (1540, 258496), (1568, 253880), (1760, 226184), (1792, 222145), (1960, 203104), (2156, 184640), (2240, 177716), (2308, 172480), (2464, 161560), (2695, 147712), (2816, 141365), (2885, 137984), (3080, 129248), (3136, 126940), (3520, 113092), (3920, 101552), (4039, 98560), (4312, 92320), (4480, 88858), (4616, 86240), (4928, 80780), (5390, 73856), (5770, 68992), (6160, 64624), (6272, 63470), (6347, 62720), (7040, 56546), (7840, 50776), (8078, 49280), (8624, 46160), (8960, 44429), (9232, 43120), (9856, 40390), (10780, 36928), (11540, 34496), (12320, 32312), (12544, 31735), (12694, 31360), (14080, 28273), (15680, 25388), (16156, 24640), (17248, 23080), (18464, 21560), (19712, 20195)]