450340000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 1275341760

約数和(自身を除く): 825001760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 25, 32, 40, 44, 46, 50, 55, 80, 88, 89, 92, 100, 110, 115, 125, 160, 176, 178, 184, 200, 220, 230, 250, 253, 275, 352, 356, 368, 400, 440, 445, 460, 500, 506, 550, 575, 625, 712, 736, 800, 880, 890, 920, 979, 1000, 1012, 1100, 1150, 1250, 1265, 1375, 1424, 1760, 1780, 1840, 1958, 2000, 2024, 2047, 2200, 2225, 2300, 2500, 2530, 2750, 2848, 2875, 3560, 3680, 3916, 4000, 4048, 4094, 4400, 4450, 4600, 4895, 5000, 5060, 5500, 5750, 6325, 6875, 7120, 7832, 8096, 8188, 8800, 8900, 9200, 9790, 10000, 10120, 10235, 11000, 11125, 11500, 12650, 13750, 14240, 14375, 15664, 16376, 17800, 18400, 19580, 20000, 20240, 20470, 22000, 22250, 22517, 23000, 24475, 25300, 27500, 28750, 31328, 31625, 32752, 35600, 39160, 40480, 40940, 44000, 44500, 45034, 46000, 48950, 50600, 51175, 55000, 55625, 57500, 63250, 65504, 71200, 78320, 81880, 89000, 90068, 92000, 97900, 101200, 102350, 110000, 111250, 112585, 115000, 122375, 126500, 156640, 158125, 163760, 178000, 180136, 195800, 202400, 204700, 220000, 222500, 225170, 230000, 244750, 253000, 255875, 316250, 327520, 356000, 360272, 391600, 409400, 445000, 450340, 460000, 489500, 506000, 511750, 562925, 611875, 632500, 720544, 783200, 818800, 890000, 900680, 979000, 1012000, 1023500, 1125850, 1223750, 1265000, 1279375, 1637600, 1780000, 1801360, 1958000, 2047000, 2251700, 2447500, 2530000, 2558750, 2814625, 3602720, 3916000, 4094000, 4503400, 4895000, 5060000, 5117500, 5629250, 8188000, 9006800, 9790000, 10235000, 11258500, 14073125, 18013600, 19580000, 20470000, 22517000, 28146250, 40940000, 45034000, 56292500, 90068000, 112585000, 225170000, 450340000]

約数ペア:

[(1, 450340000), (2, 225170000), (4, 112585000), (5, 90068000), (8, 56292500), (10, 45034000), (11, 40940000), (16, 28146250), (20, 22517000), (22, 20470000), (23, 19580000), (25, 18013600), (32, 14073125), (40, 11258500), (44, 10235000), (46, 9790000), (50, 9006800), (55, 8188000), (80, 5629250), (88, 5117500), (89, 5060000), (92, 4895000), (100, 4503400), (110, 4094000), (115, 3916000), (125, 3602720), (160, 2814625), (176, 2558750), (178, 2530000), (184, 2447500), (200, 2251700), (220, 2047000), (230, 1958000), (250, 1801360), (253, 1780000), (275, 1637600), (352, 1279375), (356, 1265000), (368, 1223750), (400, 1125850), (440, 1023500), (445, 1012000), (460, 979000), (500, 900680), (506, 890000), (550, 818800), (575, 783200), (625, 720544), (712, 632500), (736, 611875), (800, 562925), (880, 511750), (890, 506000), (920, 489500), (979, 460000), (1000, 450340), (1012, 445000), (1100, 409400), (1150, 391600), (1250, 360272), (1265, 356000), (1375, 327520), (1424, 316250), (1760, 255875), (1780, 253000), (1840, 244750), (1958, 230000), (2000, 225170), (2024, 222500), (2047, 220000), (2200, 204700), (2225, 202400), (2300, 195800), (2500, 180136), (2530, 178000), (2750, 163760), (2848, 158125), (2875, 156640), (3560, 126500), (3680, 122375), (3916, 115000), (4000, 112585), (4048, 111250), (4094, 110000), (4400, 102350), (4450, 101200), (4600, 97900), (4895, 92000), (5000, 90068), (5060, 89000), (5500, 81880), (5750, 78320), (6325, 71200), (6875, 65504), (7120, 63250), (7832, 57500), (8096, 55625), (8188, 55000), (8800, 51175), (8900, 50600), (9200, 48950), (9790, 46000), (10000, 45034), (10120, 44500), (10235, 44000), (11000, 40940), (11125, 40480), (11500, 39160), (12650, 35600), (13750, 32752), (14240, 31625), (14375, 31328), (15664, 28750), (16376, 27500), (17800, 25300), (18400, 24475), (19580, 23000), (20000, 22517), (20240, 22250), (20470, 22000)]