21898217600

素因数分解:

$2^7\times 5^2\times 7^3\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:397

約数の個数: 384

約数和(自身を含む): 64201248000

約数和(自身を除く): 42303030400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 71, 80, 98, 100, 112, 128, 140, 142, 160, 175, 196, 200, 224, 245, 280, 281, 284, 320, 343, 350, 355, 392, 400, 448, 490, 497, 560, 562, 568, 640, 686, 700, 710, 784, 800, 896, 980, 994, 1120, 1124, 1136, 1225, 1372, 1400, 1405, 1420, 1568, 1600, 1715, 1775, 1960, 1967, 1988, 2240, 2248, 2272, 2450, 2485, 2744, 2800, 2810, 2840, 3136, 3200, 3430, 3479, 3550, 3920, 3934, 3976, 4480, 4496, 4544, 4900, 4970, 5488, 5600, 5620, 5680, 6272, 6860, 6958, 7025, 7100, 7840, 7868, 7952, 8575, 8992, 9088, 9800, 9835, 9940, 10976, 11200, 11240, 11360, 12425, 13720, 13769, 13916, 14050, 14200, 15680, 15736, 15904, 17150, 17395, 17984, 19600, 19670, 19880, 19951, 21952, 22400, 22480, 22720, 24353, 24850, 27440, 27538, 27832, 28100, 28400, 31360, 31472, 31808, 34300, 34790, 35968, 39200, 39340, 39760, 39902, 43904, 44960, 45440, 48706, 49175, 49700, 54880, 55076, 55664, 56200, 56800, 62944, 63616, 68600, 68845, 69580, 78400, 78680, 79520, 79804, 86975, 89920, 96383, 97412, 98350, 99400, 99755, 109760, 110152, 111328, 112400, 113600, 121765, 125888, 137200, 137690, 139160, 139657, 156800, 157360, 159040, 159608, 173950, 179840, 192766, 194824, 196700, 198800, 199510, 219520, 220304, 222656, 224800, 227200, 243530, 251776, 274400, 275380, 278320, 279314, 314720, 318080, 319216, 344225, 347900, 385532, 389648, 393400, 397600, 399020, 440608, 445312, 449600, 481915, 487060, 498775, 548800, 550760, 556640, 558628, 608825, 629440, 638432, 688450, 695800, 698285, 771064, 779296, 786800, 795200, 798040, 881216, 899200, 963830, 974120, 977599, 997550, 1097600, 1101520, 1113280, 1117256, 1217650, 1258880, 1276864, 1376900, 1391600, 1396570, 1542128, 1558592, 1573600, 1590400, 1596080, 1762432, 1927660, 1948240, 1955198, 1995100, 2203040, 2226560, 2234512, 2409575, 2435300, 2553728, 2753800, 2783200, 2793140, 3084256, 3117184, 3147200, 3192160, 3491425, 3855320, 3896480, 3910396, 3990200, 4406080, 4469024, 4819150, 4870600, 4887995, 5507600, 5566400, 5586280, 6168512, 6294400, 6384320, 6843193, 6982850, 7710640, 7792960, 7820792, 7980400, 8812160, 8938048, 9638300, 9741200, 9775990, 11015200, 11132800, 11172560, 12337024, 12768640, 13686386, 13965700, 15421280, 15585920, 15641584, 15960800, 17876096, 19276600, 19482400, 19551980, 22030400, 22345120, 24439975, 27372772, 27931400, 30842560, 31283168, 31921600, 34215965, 38553200, 38964800, 39103960, 44060800, 44690240, 48879950, 54745544, 55862800, 61685120, 62566336, 63843200, 68431930, 77106400, 77929600, 78207920, 89380480, 97759900, 109491088, 111725600, 125132672, 136863860, 154212800, 156415840, 171079825, 195519800, 218982176, 223451200, 273727720, 308425600, 312831680, 342159650, 391039600, 437964352, 446902400, 547455440, 625663360, 684319300, 782079200, 875928704, 1094910880, 1368638600, 1564158400, 2189821760, 2737277200, 3128316800, 4379643520, 5474554400, 10949108800, 21898217600]

約数ペア:

[(1, 21898217600), (2, 10949108800), (4, 5474554400), (5, 4379643520), (7, 3128316800), (8, 2737277200), (10, 2189821760), (14, 1564158400), (16, 1368638600), (20, 1094910880), (25, 875928704), (28, 782079200), (32, 684319300), (35, 625663360), (40, 547455440), (49, 446902400), (50, 437964352), (56, 391039600), (64, 342159650), (70, 312831680), (71, 308425600), (80, 273727720), (98, 223451200), (100, 218982176), (112, 195519800), (128, 171079825), (140, 156415840), (142, 154212800), (160, 136863860), (175, 125132672), (196, 111725600), (200, 109491088), (224, 97759900), (245, 89380480), (280, 78207920), (281, 77929600), (284, 77106400), (320, 68431930), (343, 63843200), (350, 62566336), (355, 61685120), (392, 55862800), (400, 54745544), (448, 48879950), (490, 44690240), (497, 44060800), (560, 39103960), (562, 38964800), (568, 38553200), (640, 34215965), (686, 31921600), (700, 31283168), (710, 30842560), (784, 27931400), (800, 27372772), (896, 24439975), (980, 22345120), (994, 22030400), (1120, 19551980), (1124, 19482400), (1136, 19276600), (1225, 17876096), (1372, 15960800), (1400, 15641584), (1405, 15585920), (1420, 15421280), (1568, 13965700), (1600, 13686386), (1715, 12768640), (1775, 12337024), (1960, 11172560), (1967, 11132800), (1988, 11015200), (2240, 9775990), (2248, 9741200), (2272, 9638300), (2450, 8938048), (2485, 8812160), (2744, 7980400), (2800, 7820792), (2810, 7792960), (2840, 7710640), (3136, 6982850), (3200, 6843193), (3430, 6384320), (3479, 6294400), (3550, 6168512), (3920, 5586280), (3934, 5566400), (3976, 5507600), (4480, 4887995), (4496, 4870600), (4544, 4819150), (4900, 4469024), (4970, 4406080), (5488, 3990200), (5600, 3910396), (5620, 3896480), (5680, 3855320), (6272, 3491425), (6860, 3192160), (6958, 3147200), (7025, 3117184), (7100, 3084256), (7840, 2793140), (7868, 2783200), (7952, 2753800), (8575, 2553728), (8992, 2435300), (9088, 2409575), (9800, 2234512), (9835, 2226560), (9940, 2203040), (10976, 1995100), (11200, 1955198), (11240, 1948240), (11360, 1927660), (12425, 1762432), (13720, 1596080), (13769, 1590400), (13916, 1573600), (14050, 1558592), (14200, 1542128), (15680, 1396570), (15736, 1391600), (15904, 1376900), (17150, 1276864), (17395, 1258880), (17984, 1217650), (19600, 1117256), (19670, 1113280), (19880, 1101520), (19951, 1097600), (21952, 997550), (22400, 977599), (22480, 974120), (22720, 963830), (24353, 899200), (24850, 881216), (27440, 798040), (27538, 795200), (27832, 786800), (28100, 779296), (28400, 771064), (31360, 698285), (31472, 695800), (31808, 688450), (34300, 638432), (34790, 629440), (35968, 608825), (39200, 558628), (39340, 556640), (39760, 550760), (39902, 548800), (43904, 498775), (44960, 487060), (45440, 481915), (48706, 449600), (49175, 445312), (49700, 440608), (54880, 399020), (55076, 397600), (55664, 393400), (56200, 389648), (56800, 385532), (62944, 347900), (63616, 344225), (68600, 319216), (68845, 318080), (69580, 314720), (78400, 279314), (78680, 278320), (79520, 275380), (79804, 274400), (86975, 251776), (89920, 243530), (96383, 227200), (97412, 224800), (98350, 222656), (99400, 220304), (99755, 219520), (109760, 199510), (110152, 198800), (111328, 196700), (112400, 194824), (113600, 192766), (121765, 179840), (125888, 173950), (137200, 159608), (137690, 159040), (139160, 157360), (139657, 156800)]