499999920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 480

約数和(自身を含む): 1987747776

約数和(自身を除く): 1487747856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 41, 42, 48, 49, 51, 56, 60, 61, 68, 70, 80, 82, 84, 85, 98, 102, 105, 112, 119, 120, 122, 123, 136, 140, 147, 164, 168, 170, 183, 196, 204, 205, 210, 238, 240, 244, 245, 246, 255, 272, 280, 287, 294, 305, 328, 336, 340, 357, 366, 392, 408, 410, 420, 427, 476, 488, 490, 492, 510, 560, 574, 588, 595, 610, 615, 656, 680, 697, 714, 732, 735, 784, 816, 820, 833, 840, 854, 861, 915, 952, 976, 980, 984, 1020, 1037, 1148, 1176, 1190, 1220, 1230, 1281, 1360, 1394, 1428, 1435, 1464, 1470, 1640, 1666, 1680, 1708, 1722, 1785, 1830, 1904, 1960, 1968, 2009, 2040, 2074, 2091, 2135, 2296, 2352, 2380, 2440, 2460, 2499, 2501, 2562, 2788, 2856, 2870, 2928, 2940, 2989, 3111, 3280, 3332, 3416, 3444, 3485, 3570, 3660, 3920, 4018, 4080, 4148, 4165, 4182, 4270, 4305, 4592, 4760, 4879, 4880, 4920, 4998, 5002, 5124, 5185, 5576, 5712, 5740, 5880, 5978, 6027, 6222, 6405, 6664, 6832, 6888, 6970, 7140, 7259, 7320, 7503, 8036, 8296, 8330, 8364, 8540, 8610, 8967, 9520, 9758, 9840, 9996, 10004, 10045, 10248, 10370, 10455, 11152, 11480, 11760, 11956, 12054, 12444, 12495, 12505, 12810, 13328, 13776, 13940, 14280, 14518, 14637, 14640, 14945, 15006, 15555, 16072, 16592, 16660, 16728, 17080, 17220, 17507, 17934, 19516, 19992, 20008, 20090, 20496, 20740, 20910, 21777, 22960, 23912, 24108, 24395, 24888, 24990, 25010, 25620, 27880, 28560, 29036, 29274, 29890, 30012, 30135, 31110, 32144, 33320, 33456, 34153, 34160, 34440, 35014, 35868, 36295, 37515, 39032, 39984, 40016, 40180, 41480, 41820, 42517, 43554, 44835, 47824, 48216, 48790, 49776, 49980, 50020, 50813, 51240, 52521, 55760, 58072, 58548, 59780, 60024, 60270, 62220, 66640, 68306, 68880, 70028, 71736, 72590, 73185, 75030, 78064, 80360, 82960, 83640, 85034, 87108, 87535, 89670, 96432, 97580, 99960, 100040, 101626, 102459, 102480, 105042, 108885, 116144, 117096, 119560, 120048, 120540, 122549, 124440, 127551, 136612, 140056, 143472, 145180, 146370, 150060, 152439, 160720, 167280, 170068, 170765, 174216, 175070, 179340, 195160, 199920, 200080, 203252, 204918, 210084, 212585, 217770, 234192, 239120, 241080, 245098, 248880, 254065, 255102, 262605, 273224, 280112, 290360, 292740, 297619, 300120, 304878, 340136, 341530, 348432, 350140, 358680, 367647, 390320, 406504, 409836, 420168, 425170, 435540, 482160, 490196, 508130, 510204, 512295, 525210, 546448, 580720, 585480, 595238, 600240, 609756, 612745, 637755, 680272, 683060, 700280, 717360, 735294, 762195, 813008, 819672, 840336, 850340, 871080, 892857, 980392, 1016260, 1020408, 1024590, 1050420, 1170960, 1190476, 1219512, 1225490, 1275510, 1366120, 1400560, 1470588, 1488095, 1524390, 1639344, 1700680, 1742160, 1785714, 1838235, 1960784, 2032520, 2040816, 2049180, 2083333, 2100840, 2380952, 2439024, 2450980, 2551020, 2732240, 2941176, 2976190, 3048780, 3401360, 3571428, 3676470, 4065040, 4098360, 4166666, 4201680, 4464285, 4761904, 4901960, 5102040, 5882352, 5952380, 6097560, 6249999, 7142856, 7352940, 8196720, 8333332, 8928570, 9803920, 10204080, 10416665, 11904760, 12195120, 12499998, 14285712, 14705880, 16666664, 17857140, 20833330, 23809520, 24999996, 29411760, 31249995, 33333328, 35714280, 41666660, 49999992, 62499990, 71428560, 83333320, 99999984, 124999980, 166666640, 249999960, 499999920]

約数ペア:

[(1, 499999920), (2, 249999960), (3, 166666640), (4, 124999980), (5, 99999984), (6, 83333320), (7, 71428560), (8, 62499990), (10, 49999992), (12, 41666660), (14, 35714280), (15, 33333328), (16, 31249995), (17, 29411760), (20, 24999996), (21, 23809520), (24, 20833330), (28, 17857140), (30, 16666664), (34, 14705880), (35, 14285712), (40, 12499998), (41, 12195120), (42, 11904760), (48, 10416665), (49, 10204080), (51, 9803920), (56, 8928570), (60, 8333332), (61, 8196720), (68, 7352940), (70, 7142856), (80, 6249999), (82, 6097560), (84, 5952380), (85, 5882352), (98, 5102040), (102, 4901960), (105, 4761904), (112, 4464285), (119, 4201680), (120, 4166666), (122, 4098360), (123, 4065040), (136, 3676470), (140, 3571428), (147, 3401360), (164, 3048780), (168, 2976190), (170, 2941176), (183, 2732240), (196, 2551020), (204, 2450980), (205, 2439024), (210, 2380952), (238, 2100840), (240, 2083333), (244, 2049180), (245, 2040816), (246, 2032520), (255, 1960784), (272, 1838235), (280, 1785714), (287, 1742160), (294, 1700680), (305, 1639344), (328, 1524390), (336, 1488095), (340, 1470588), (357, 1400560), (366, 1366120), (392, 1275510), (408, 1225490), (410, 1219512), (420, 1190476), (427, 1170960), (476, 1050420), (488, 1024590), (490, 1020408), (492, 1016260), (510, 980392), (560, 892857), (574, 871080), (588, 850340), (595, 840336), (610, 819672), (615, 813008), (656, 762195), (680, 735294), (697, 717360), (714, 700280), (732, 683060), (735, 680272), (784, 637755), (816, 612745), (820, 609756), (833, 600240), (840, 595238), (854, 585480), (861, 580720), (915, 546448), (952, 525210), (976, 512295), (980, 510204), (984, 508130), (1020, 490196), (1037, 482160), (1148, 435540), (1176, 425170), (1190, 420168), (1220, 409836), (1230, 406504), (1281, 390320), (1360, 367647), (1394, 358680), (1428, 350140), (1435, 348432), (1464, 341530), (1470, 340136), (1640, 304878), (1666, 300120), (1680, 297619), (1708, 292740), (1722, 290360), (1785, 280112), (1830, 273224), (1904, 262605), (1960, 255102), (1968, 254065), (2009, 248880), (2040, 245098), (2074, 241080), (2091, 239120), (2135, 234192), (2296, 217770), (2352, 212585), (2380, 210084), (2440, 204918), (2460, 203252), (2499, 200080), (2501, 199920), (2562, 195160), (2788, 179340), (2856, 175070), (2870, 174216), (2928, 170765), (2940, 170068), (2989, 167280), (3111, 160720), (3280, 152439), (3332, 150060), (3416, 146370), (3444, 145180), (3485, 143472), (3570, 140056), (3660, 136612), (3920, 127551), (4018, 124440), (4080, 122549), (4148, 120540), (4165, 120048), (4182, 119560), (4270, 117096), (4305, 116144), (4592, 108885), (4760, 105042), (4879, 102480), (4880, 102459), (4920, 101626), (4998, 100040), (5002, 99960), (5124, 97580), (5185, 96432), (5576, 89670), (5712, 87535), (5740, 87108), (5880, 85034), (5978, 83640), (6027, 82960), (6222, 80360), (6405, 78064), (6664, 75030), (6832, 73185), (6888, 72590), (6970, 71736), (7140, 70028), (7259, 68880), (7320, 68306), (7503, 66640), (8036, 62220), (8296, 60270), (8330, 60024), (8364, 59780), (8540, 58548), (8610, 58072), (8967, 55760), (9520, 52521), (9758, 51240), (9840, 50813), (9996, 50020), (10004, 49980), (10045, 49776), (10248, 48790), (10370, 48216), (10455, 47824), (11152, 44835), (11480, 43554), (11760, 42517), (11956, 41820), (12054, 41480), (12444, 40180), (12495, 40016), (12505, 39984), (12810, 39032), (13328, 37515), (13776, 36295), (13940, 35868), (14280, 35014), (14518, 34440), (14637, 34160), (14640, 34153), (14945, 33456), (15006, 33320), (15555, 32144), (16072, 31110), (16592, 30135), (16660, 30012), (16728, 29890), (17080, 29274), (17220, 29036), (17507, 28560), (17934, 27880), (19516, 25620), (19992, 25010), (20008, 24990), (20090, 24888), (20496, 24395), (20740, 24108), (20910, 23912), (21777, 22960)]