204900000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{683}}^1$

素因数の和:721

約数の個数: 144

約数和(自身を含む): 673269408

約数和(自身を除く): 468369408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 683, 750, 800, 1000, 1200, 1250, 1366, 1500, 1875, 2000, 2049, 2400, 2500, 2732, 3000, 3125, 3415, 3750, 4000, 4098, 5000, 5464, 6000, 6250, 6830, 7500, 8196, 9375, 10000, 10245, 10928, 12000, 12500, 13660, 15000, 16392, 17075, 18750, 20000, 20490, 21856, 25000, 27320, 30000, 32784, 34150, 37500, 40980, 50000, 51225, 54640, 60000, 65568, 68300, 75000, 81960, 85375, 100000, 102450, 109280, 136600, 150000, 163920, 170750, 204900, 256125, 273200, 300000, 327840, 341500, 409800, 426875, 512250, 546400, 683000, 819600, 853750, 1024500, 1280625, 1366000, 1639200, 1707500, 2049000, 2134375, 2561250, 2732000, 3415000, 4098000, 4268750, 5122500, 6403125, 6830000, 8196000, 8537500, 10245000, 12806250, 13660000, 17075000, 20490000, 25612500, 34150000, 40980000, 51225000, 68300000, 102450000, 204900000]

約数ペア:

[(1, 204900000), (2, 102450000), (3, 68300000), (4, 51225000), (5, 40980000), (6, 34150000), (8, 25612500), (10, 20490000), (12, 17075000), (15, 13660000), (16, 12806250), (20, 10245000), (24, 8537500), (25, 8196000), (30, 6830000), (32, 6403125), (40, 5122500), (48, 4268750), (50, 4098000), (60, 3415000), (75, 2732000), (80, 2561250), (96, 2134375), (100, 2049000), (120, 1707500), (125, 1639200), (150, 1366000), (160, 1280625), (200, 1024500), (240, 853750), (250, 819600), (300, 683000), (375, 546400), (400, 512250), (480, 426875), (500, 409800), (600, 341500), (625, 327840), (683, 300000), (750, 273200), (800, 256125), (1000, 204900), (1200, 170750), (1250, 163920), (1366, 150000), (1500, 136600), (1875, 109280), (2000, 102450), (2049, 100000), (2400, 85375), (2500, 81960), (2732, 75000), (3000, 68300), (3125, 65568), (3415, 60000), (3750, 54640), (4000, 51225), (4098, 50000), (5000, 40980), (5464, 37500), (6000, 34150), (6250, 32784), (6830, 30000), (7500, 27320), (8196, 25000), (9375, 21856), (10000, 20490), (10245, 20000), (10928, 18750), (12000, 17075), (12500, 16392), (13660, 15000)]