198398760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:472

約数の個数: 256

約数和(自身を含む): 740966400

約数和(自身を除く): 542567640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 31, 35, 38, 40, 42, 56, 57, 60, 62, 70, 76, 84, 93, 95, 105, 114, 120, 124, 133, 140, 152, 155, 168, 186, 190, 210, 217, 228, 248, 266, 280, 285, 310, 372, 380, 399, 401, 420, 434, 456, 465, 532, 570, 589, 620, 651, 665, 744, 760, 798, 802, 840, 868, 930, 1064, 1085, 1140, 1178, 1203, 1240, 1302, 1330, 1596, 1604, 1736, 1767, 1860, 1995, 2005, 2170, 2280, 2356, 2406, 2604, 2660, 2807, 2945, 3192, 3208, 3255, 3534, 3720, 3990, 4010, 4123, 4340, 4712, 4812, 5208, 5320, 5614, 5890, 6015, 6510, 7068, 7619, 7980, 8020, 8246, 8421, 8680, 8835, 9624, 11228, 11780, 12030, 12369, 12431, 13020, 14035, 14136, 15238, 15960, 16040, 16492, 16842, 17670, 20615, 22456, 22857, 23560, 24060, 24738, 24862, 26040, 28070, 30476, 32984, 33684, 35340, 37293, 38095, 41230, 42105, 45714, 48120, 49476, 49724, 53333, 56140, 60952, 61845, 62155, 67368, 70680, 74586, 76190, 82460, 84210, 87017, 91428, 98952, 99448, 106666, 112280, 114285, 123690, 124310, 149172, 152380, 159999, 164920, 168420, 174034, 182856, 186465, 213332, 228570, 236189, 247380, 248620, 261051, 266665, 298344, 304760, 319998, 336840, 348068, 372930, 426664, 435085, 457140, 472378, 494760, 497240, 522102, 533330, 639996, 696136, 708567, 745860, 799995, 870170, 914280, 944756, 1044204, 1066660, 1180945, 1279992, 1305255, 1417134, 1491720, 1599990, 1653323, 1740340, 1889512, 2088408, 2133320, 2361890, 2610510, 2834268, 3199980, 3306646, 3480680, 3542835, 4723780, 4959969, 5221020, 5668536, 6399960, 6613292, 7085670, 8266615, 9447560, 9919938, 10442040, 13226584, 14171340, 16533230, 19839876, 24799845, 28342680, 33066460, 39679752, 49599690, 66132920, 99199380, 198398760]

約数ペア:

[(1, 198398760), (2, 99199380), (3, 66132920), (4, 49599690), (5, 39679752), (6, 33066460), (7, 28342680), (8, 24799845), (10, 19839876), (12, 16533230), (14, 14171340), (15, 13226584), (19, 10442040), (20, 9919938), (21, 9447560), (24, 8266615), (28, 7085670), (30, 6613292), (31, 6399960), (35, 5668536), (38, 5221020), (40, 4959969), (42, 4723780), (56, 3542835), (57, 3480680), (60, 3306646), (62, 3199980), (70, 2834268), (76, 2610510), (84, 2361890), (93, 2133320), (95, 2088408), (105, 1889512), (114, 1740340), (120, 1653323), (124, 1599990), (133, 1491720), (140, 1417134), (152, 1305255), (155, 1279992), (168, 1180945), (186, 1066660), (190, 1044204), (210, 944756), (217, 914280), (228, 870170), (248, 799995), (266, 745860), (280, 708567), (285, 696136), (310, 639996), (372, 533330), (380, 522102), (399, 497240), (401, 494760), (420, 472378), (434, 457140), (456, 435085), (465, 426664), (532, 372930), (570, 348068), (589, 336840), (620, 319998), (651, 304760), (665, 298344), (744, 266665), (760, 261051), (798, 248620), (802, 247380), (840, 236189), (868, 228570), (930, 213332), (1064, 186465), (1085, 182856), (1140, 174034), (1178, 168420), (1203, 164920), (1240, 159999), (1302, 152380), (1330, 149172), (1596, 124310), (1604, 123690), (1736, 114285), (1767, 112280), (1860, 106666), (1995, 99448), (2005, 98952), (2170, 91428), (2280, 87017), (2356, 84210), (2406, 82460), (2604, 76190), (2660, 74586), (2807, 70680), (2945, 67368), (3192, 62155), (3208, 61845), (3255, 60952), (3534, 56140), (3720, 53333), (3990, 49724), (4010, 49476), (4123, 48120), (4340, 45714), (4712, 42105), (4812, 41230), (5208, 38095), (5320, 37293), (5614, 35340), (5890, 33684), (6015, 32984), (6510, 30476), (7068, 28070), (7619, 26040), (7980, 24862), (8020, 24738), (8246, 24060), (8421, 23560), (8680, 22857), (8835, 22456), (9624, 20615), (11228, 17670), (11780, 16842), (12030, 16492), (12369, 16040), (12431, 15960), (13020, 15238), (14035, 14136)]