490455000

素因数分解:

$2^3\times 3^4\times 5^4\times 7^1\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 400

約数和(自身を含む): 1973180880

約数和(自身を除く): 1482725880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 81, 84, 90, 100, 105, 108, 120, 125, 126, 135, 140, 150, 162, 168, 173, 175, 180, 189, 200, 210, 216, 225, 250, 252, 270, 280, 300, 315, 324, 346, 350, 360, 375, 378, 405, 420, 450, 500, 504, 519, 525, 540, 567, 600, 625, 630, 648, 675, 692, 700, 750, 756, 810, 840, 865, 875, 900, 945, 1000, 1038, 1050, 1080, 1125, 1134, 1211, 1250, 1260, 1350, 1384, 1400, 1500, 1512, 1557, 1575, 1620, 1730, 1750, 1800, 1875, 1890, 2025, 2076, 2100, 2250, 2268, 2422, 2500, 2520, 2595, 2625, 2700, 2835, 3000, 3114, 3150, 3240, 3375, 3460, 3500, 3633, 3750, 3780, 4050, 4152, 4200, 4325, 4375, 4500, 4536, 4671, 4725, 4844, 5000, 5190, 5250, 5400, 5625, 5670, 6055, 6228, 6300, 6750, 6920, 7000, 7266, 7500, 7560, 7785, 7875, 8100, 8650, 8750, 9000, 9342, 9450, 9688, 10125, 10380, 10500, 10899, 11250, 11340, 12110, 12456, 12600, 12975, 13125, 13500, 14013, 14175, 14532, 15000, 15570, 15750, 16200, 16875, 17300, 17500, 18165, 18684, 18900, 20250, 20760, 21000, 21625, 21798, 22500, 22680, 23355, 23625, 24220, 25950, 26250, 27000, 28026, 28350, 29064, 30275, 31140, 31500, 32697, 33750, 34600, 35000, 36330, 37368, 37800, 38925, 39375, 40500, 43250, 43596, 45000, 46710, 47250, 48440, 50625, 51900, 52500, 54495, 56052, 56700, 60550, 62280, 63000, 64875, 65394, 67500, 70065, 70875, 72660, 77850, 78750, 81000, 86500, 87192, 90825, 93420, 94500, 98091, 101250, 103800, 105000, 108125, 108990, 112104, 113400, 116775, 118125, 121100, 129750, 130788, 135000, 140130, 141750, 145320, 151375, 155700, 157500, 163485, 173000, 181650, 186840, 189000, 194625, 196182, 202500, 216250, 217980, 233550, 236250, 242200, 259500, 261576, 272475, 280260, 283500, 302750, 311400, 315000, 324375, 326970, 350325, 354375, 363300, 389250, 392364, 405000, 432500, 435960, 454125, 467100, 472500, 490455, 519000, 544950, 560520, 567000, 583875, 605500, 648750, 653940, 700650, 708750, 726600, 756875, 778500, 784728, 817425, 865000, 908250, 934200, 945000, 973125, 980910, 1089900, 1167750, 1211000, 1297500, 1307880, 1362375, 1401300, 1417500, 1513750, 1557000, 1634850, 1751625, 1816500, 1946250, 1961820, 2179800, 2270625, 2335500, 2452275, 2595000, 2724750, 2802600, 2835000, 2919375, 3027500, 3269700, 3503250, 3633000, 3892500, 3923640, 4087125, 4541250, 4671000, 4904550, 5449500, 5838750, 6055000, 6539400, 6811875, 7006500, 7785000, 8174250, 8758125, 9082500, 9809100, 10899000, 11677500, 12261375, 13623750, 14013000, 16348500, 17516250, 18165000, 19618200, 20435625, 23355000, 24522750, 27247500, 32697000, 35032500, 40871250, 49045500, 54495000, 61306875, 70065000, 81742500, 98091000, 122613750, 163485000, 245227500, 490455000]

約数ペア:

[(1, 490455000), (2, 245227500), (3, 163485000), (4, 122613750), (5, 98091000), (6, 81742500), (7, 70065000), (8, 61306875), (9, 54495000), (10, 49045500), (12, 40871250), (14, 35032500), (15, 32697000), (18, 27247500), (20, 24522750), (21, 23355000), (24, 20435625), (25, 19618200), (27, 18165000), (28, 17516250), (30, 16348500), (35, 14013000), (36, 13623750), (40, 12261375), (42, 11677500), (45, 10899000), (50, 9809100), (54, 9082500), (56, 8758125), (60, 8174250), (63, 7785000), (70, 7006500), (72, 6811875), (75, 6539400), (81, 6055000), (84, 5838750), (90, 5449500), (100, 4904550), (105, 4671000), (108, 4541250), (120, 4087125), (125, 3923640), (126, 3892500), (135, 3633000), (140, 3503250), (150, 3269700), (162, 3027500), (168, 2919375), (173, 2835000), (175, 2802600), (180, 2724750), (189, 2595000), (200, 2452275), (210, 2335500), (216, 2270625), (225, 2179800), (250, 1961820), (252, 1946250), (270, 1816500), (280, 1751625), (300, 1634850), (315, 1557000), (324, 1513750), (346, 1417500), (350, 1401300), (360, 1362375), (375, 1307880), (378, 1297500), (405, 1211000), (420, 1167750), (450, 1089900), (500, 980910), (504, 973125), (519, 945000), (525, 934200), (540, 908250), (567, 865000), (600, 817425), (625, 784728), (630, 778500), (648, 756875), (675, 726600), (692, 708750), (700, 700650), (750, 653940), (756, 648750), (810, 605500), (840, 583875), (865, 567000), (875, 560520), (900, 544950), (945, 519000), (1000, 490455), (1038, 472500), (1050, 467100), (1080, 454125), (1125, 435960), (1134, 432500), (1211, 405000), (1250, 392364), (1260, 389250), (1350, 363300), (1384, 354375), (1400, 350325), (1500, 326970), (1512, 324375), (1557, 315000), (1575, 311400), (1620, 302750), (1730, 283500), (1750, 280260), (1800, 272475), (1875, 261576), (1890, 259500), (2025, 242200), (2076, 236250), (2100, 233550), (2250, 217980), (2268, 216250), (2422, 202500), (2500, 196182), (2520, 194625), (2595, 189000), (2625, 186840), (2700, 181650), (2835, 173000), (3000, 163485), (3114, 157500), (3150, 155700), (3240, 151375), (3375, 145320), (3460, 141750), (3500, 140130), (3633, 135000), (3750, 130788), (3780, 129750), (4050, 121100), (4152, 118125), (4200, 116775), (4325, 113400), (4375, 112104), (4500, 108990), (4536, 108125), (4671, 105000), (4725, 103800), (4844, 101250), (5000, 98091), (5190, 94500), (5250, 93420), (5400, 90825), (5625, 87192), (5670, 86500), (6055, 81000), (6228, 78750), (6300, 77850), (6750, 72660), (6920, 70875), (7000, 70065), (7266, 67500), (7500, 65394), (7560, 64875), (7785, 63000), (7875, 62280), (8100, 60550), (8650, 56700), (8750, 56052), (9000, 54495), (9342, 52500), (9450, 51900), (9688, 50625), (10125, 48440), (10380, 47250), (10500, 46710), (10899, 45000), (11250, 43596), (11340, 43250), (12110, 40500), (12456, 39375), (12600, 38925), (12975, 37800), (13125, 37368), (13500, 36330), (14013, 35000), (14175, 34600), (14532, 33750), (15000, 32697), (15570, 31500), (15750, 31140), (16200, 30275), (16875, 29064), (17300, 28350), (17500, 28026), (18165, 27000), (18684, 26250), (18900, 25950), (20250, 24220), (20760, 23625), (21000, 23355), (21625, 22680), (21798, 22500)]