399598920

素因数分解:

$2^3\times 3^5\times 5^1\times 7^2\times {\mathrm{839}}^1$

素因数の和:879

約数の個数: 288

約数和(自身を含む): 1568548800

約数和(自身を除く): 1168949880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 243, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 486, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 839, 840, 882, 945, 972, 980, 1080, 1134, 1176, 1215, 1260, 1323, 1470, 1512, 1620, 1678, 1701, 1764, 1890, 1944, 1960, 2205, 2268, 2430, 2517, 2520, 2646, 2835, 2940, 3240, 3356, 3402, 3528, 3780, 3969, 4195, 4410, 4536, 4860, 5034, 5292, 5670, 5873, 5880, 6615, 6712, 6804, 7551, 7560, 7938, 8390, 8505, 8820, 9720, 10068, 10584, 11340, 11746, 11907, 12585, 13230, 13608, 15102, 15876, 16780, 17010, 17619, 17640, 19845, 20136, 22653, 22680, 23492, 23814, 25170, 26460, 29365, 30204, 31752, 33560, 34020, 35238, 37755, 39690, 41111, 45306, 46984, 47628, 50340, 52857, 52920, 58730, 59535, 60408, 67959, 68040, 70476, 75510, 79380, 82222, 88095, 90612, 95256, 100680, 105714, 113265, 117460, 119070, 123333, 135918, 140952, 151020, 158571, 158760, 164444, 176190, 181224, 203877, 205555, 211428, 226530, 234920, 238140, 246666, 264285, 271836, 302040, 317142, 328888, 339795, 352380, 369999, 407754, 411110, 422856, 453060, 475713, 476280, 493332, 528570, 543672, 616665, 634284, 679590, 704760, 739998, 792855, 815508, 822220, 906120, 951426, 986664, 1019385, 1057140, 1109997, 1233330, 1268568, 1359180, 1427139, 1479996, 1585710, 1631016, 1644440, 1849995, 1902852, 2038770, 2114280, 2219994, 2378565, 2466660, 2718360, 2854278, 2959992, 3171420, 3329991, 3699990, 3805704, 4077540, 4439988, 4757130, 4933320, 5549985, 5708556, 6342840, 6659982, 7135695, 7399980, 8155080, 8879976, 9514260, 9989973, 11099970, 11417112, 13319964, 14271390, 14799960, 16649955, 19028520, 19979946, 22199940, 26639928, 28542780, 33299910, 39959892, 44399880, 49949865, 57085560, 66599820, 79919784, 99899730, 133199640, 199799460, 399598920]

約数ペア:

[(1, 399598920), (2, 199799460), (3, 133199640), (4, 99899730), (5, 79919784), (6, 66599820), (7, 57085560), (8, 49949865), (9, 44399880), (10, 39959892), (12, 33299910), (14, 28542780), (15, 26639928), (18, 22199940), (20, 19979946), (21, 19028520), (24, 16649955), (27, 14799960), (28, 14271390), (30, 13319964), (35, 11417112), (36, 11099970), (40, 9989973), (42, 9514260), (45, 8879976), (49, 8155080), (54, 7399980), (56, 7135695), (60, 6659982), (63, 6342840), (70, 5708556), (72, 5549985), (81, 4933320), (84, 4757130), (90, 4439988), (98, 4077540), (105, 3805704), (108, 3699990), (120, 3329991), (126, 3171420), (135, 2959992), (140, 2854278), (147, 2718360), (162, 2466660), (168, 2378565), (180, 2219994), (189, 2114280), (196, 2038770), (210, 1902852), (216, 1849995), (243, 1644440), (245, 1631016), (252, 1585710), (270, 1479996), (280, 1427139), (294, 1359180), (315, 1268568), (324, 1233330), (360, 1109997), (378, 1057140), (392, 1019385), (405, 986664), (420, 951426), (441, 906120), (486, 822220), (490, 815508), (504, 792855), (540, 739998), (567, 704760), (588, 679590), (630, 634284), (648, 616665), (735, 543672), (756, 528570), (810, 493332), (839, 476280), (840, 475713), (882, 453060), (945, 422856), (972, 411110), (980, 407754), (1080, 369999), (1134, 352380), (1176, 339795), (1215, 328888), (1260, 317142), (1323, 302040), (1470, 271836), (1512, 264285), (1620, 246666), (1678, 238140), (1701, 234920), (1764, 226530), (1890, 211428), (1944, 205555), (1960, 203877), (2205, 181224), (2268, 176190), (2430, 164444), (2517, 158760), (2520, 158571), (2646, 151020), (2835, 140952), (2940, 135918), (3240, 123333), (3356, 119070), (3402, 117460), (3528, 113265), (3780, 105714), (3969, 100680), (4195, 95256), (4410, 90612), (4536, 88095), (4860, 82222), (5034, 79380), (5292, 75510), (5670, 70476), (5873, 68040), (5880, 67959), (6615, 60408), (6712, 59535), (6804, 58730), (7551, 52920), (7560, 52857), (7938, 50340), (8390, 47628), (8505, 46984), (8820, 45306), (9720, 41111), (10068, 39690), (10584, 37755), (11340, 35238), (11746, 34020), (11907, 33560), (12585, 31752), (13230, 30204), (13608, 29365), (15102, 26460), (15876, 25170), (16780, 23814), (17010, 23492), (17619, 22680), (17640, 22653), (19845, 20136)]