399361760

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:438

約数の個数: 192

約数和(自身を含む): 1161216000

約数和(自身を除く): 761854240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 343, 380, 383, 392, 490, 532, 560, 608, 665, 686, 760, 766, 784, 931, 980, 1064, 1120, 1330, 1372, 1520, 1532, 1568, 1715, 1862, 1915, 1960, 2128, 2660, 2681, 2744, 3040, 3064, 3430, 3724, 3830, 3920, 4256, 4655, 5320, 5362, 5488, 6128, 6517, 6860, 7277, 7448, 7660, 7840, 9310, 10640, 10724, 10976, 12256, 13034, 13405, 13720, 14554, 14896, 15320, 18620, 18767, 21280, 21448, 26068, 26810, 27440, 29108, 29792, 30640, 32585, 36385, 37240, 37534, 42896, 50939, 52136, 53620, 54880, 58216, 61280, 65170, 72770, 74480, 75068, 85792, 93835, 101878, 104272, 107240, 116432, 130340, 131369, 145540, 148960, 150136, 187670, 203756, 208544, 214480, 232864, 254695, 260680, 262738, 291080, 300272, 356573, 375340, 407512, 428960, 509390, 521360, 525476, 582160, 600544, 656845, 713146, 750680, 815024, 1018780, 1042720, 1050952, 1164320, 1313690, 1426292, 1501360, 1630048, 1782865, 2037560, 2101904, 2496011, 2627380, 2852584, 3002720, 3565730, 4075120, 4203808, 4992022, 5254760, 5705168, 7131460, 8150240, 9984044, 10509520, 11410336, 12480055, 14262920, 19968088, 21019040, 24960110, 28525840, 39936176, 49920220, 57051680, 79872352, 99840440, 199680880, 399361760]

約数ペア:

[(1, 399361760), (2, 199680880), (4, 99840440), (5, 79872352), (7, 57051680), (8, 49920220), (10, 39936176), (14, 28525840), (16, 24960110), (19, 21019040), (20, 19968088), (28, 14262920), (32, 12480055), (35, 11410336), (38, 10509520), (40, 9984044), (49, 8150240), (56, 7131460), (70, 5705168), (76, 5254760), (80, 4992022), (95, 4203808), (98, 4075120), (112, 3565730), (133, 3002720), (140, 2852584), (152, 2627380), (160, 2496011), (190, 2101904), (196, 2037560), (224, 1782865), (245, 1630048), (266, 1501360), (280, 1426292), (304, 1313690), (343, 1164320), (380, 1050952), (383, 1042720), (392, 1018780), (490, 815024), (532, 750680), (560, 713146), (608, 656845), (665, 600544), (686, 582160), (760, 525476), (766, 521360), (784, 509390), (931, 428960), (980, 407512), (1064, 375340), (1120, 356573), (1330, 300272), (1372, 291080), (1520, 262738), (1532, 260680), (1568, 254695), (1715, 232864), (1862, 214480), (1915, 208544), (1960, 203756), (2128, 187670), (2660, 150136), (2681, 148960), (2744, 145540), (3040, 131369), (3064, 130340), (3430, 116432), (3724, 107240), (3830, 104272), (3920, 101878), (4256, 93835), (4655, 85792), (5320, 75068), (5362, 74480), (5488, 72770), (6128, 65170), (6517, 61280), (6860, 58216), (7277, 54880), (7448, 53620), (7660, 52136), (7840, 50939), (9310, 42896), (10640, 37534), (10724, 37240), (10976, 36385), (12256, 32585), (13034, 30640), (13405, 29792), (13720, 29108), (14554, 27440), (14896, 26810), (15320, 26068), (18620, 21448), (18767, 21280)]