438000000

素因数分解:

$2^7\times 3^1\times 5^6\times {\mathrm{73}}^1$

素因数の和:120

約数の個数: 224

約数和(自身を含む): 1474199880

約数和(自身を除く): 1036199880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 73, 75, 80, 96, 100, 120, 125, 128, 146, 150, 160, 192, 200, 219, 240, 250, 292, 300, 320, 365, 375, 384, 400, 438, 480, 500, 584, 600, 625, 640, 730, 750, 800, 876, 960, 1000, 1095, 1168, 1200, 1250, 1460, 1500, 1600, 1752, 1825, 1875, 1920, 2000, 2190, 2336, 2400, 2500, 2920, 3000, 3125, 3200, 3504, 3650, 3750, 4000, 4380, 4672, 4800, 5000, 5475, 5840, 6000, 6250, 7008, 7300, 7500, 8000, 8760, 9125, 9344, 9375, 9600, 10000, 10950, 11680, 12000, 12500, 14016, 14600, 15000, 15625, 16000, 17520, 18250, 18750, 20000, 21900, 23360, 24000, 25000, 27375, 28032, 29200, 30000, 31250, 35040, 36500, 37500, 40000, 43800, 45625, 46720, 46875, 48000, 50000, 54750, 58400, 60000, 62500, 70080, 73000, 75000, 80000, 87600, 91250, 93750, 100000, 109500, 116800, 120000, 125000, 136875, 140160, 146000, 150000, 175200, 182500, 187500, 200000, 219000, 228125, 233600, 240000, 250000, 273750, 292000, 300000, 350400, 365000, 375000, 400000, 438000, 456250, 500000, 547500, 584000, 600000, 684375, 700800, 730000, 750000, 876000, 912500, 1000000, 1095000, 1140625, 1168000, 1200000, 1368750, 1460000, 1500000, 1752000, 1825000, 2000000, 2190000, 2281250, 2737500, 2920000, 3000000, 3421875, 3504000, 3650000, 4380000, 4562500, 5475000, 5840000, 6000000, 6843750, 7300000, 8760000, 9125000, 10950000, 13687500, 14600000, 17520000, 18250000, 21900000, 27375000, 29200000, 36500000, 43800000, 54750000, 73000000, 87600000, 109500000, 146000000, 219000000, 438000000]

約数ペア:

[(1, 438000000), (2, 219000000), (3, 146000000), (4, 109500000), (5, 87600000), (6, 73000000), (8, 54750000), (10, 43800000), (12, 36500000), (15, 29200000), (16, 27375000), (20, 21900000), (24, 18250000), (25, 17520000), (30, 14600000), (32, 13687500), (40, 10950000), (48, 9125000), (50, 8760000), (60, 7300000), (64, 6843750), (73, 6000000), (75, 5840000), (80, 5475000), (96, 4562500), (100, 4380000), (120, 3650000), (125, 3504000), (128, 3421875), (146, 3000000), (150, 2920000), (160, 2737500), (192, 2281250), (200, 2190000), (219, 2000000), (240, 1825000), (250, 1752000), (292, 1500000), (300, 1460000), (320, 1368750), (365, 1200000), (375, 1168000), (384, 1140625), (400, 1095000), (438, 1000000), (480, 912500), (500, 876000), (584, 750000), (600, 730000), (625, 700800), (640, 684375), (730, 600000), (750, 584000), (800, 547500), (876, 500000), (960, 456250), (1000, 438000), (1095, 400000), (1168, 375000), (1200, 365000), (1250, 350400), (1460, 300000), (1500, 292000), (1600, 273750), (1752, 250000), (1825, 240000), (1875, 233600), (1920, 228125), (2000, 219000), (2190, 200000), (2336, 187500), (2400, 182500), (2500, 175200), (2920, 150000), (3000, 146000), (3125, 140160), (3200, 136875), (3504, 125000), (3650, 120000), (3750, 116800), (4000, 109500), (4380, 100000), (4672, 93750), (4800, 91250), (5000, 87600), (5475, 80000), (5840, 75000), (6000, 73000), (6250, 70080), (7008, 62500), (7300, 60000), (7500, 58400), (8000, 54750), (8760, 50000), (9125, 48000), (9344, 46875), (9375, 46720), (9600, 45625), (10000, 43800), (10950, 40000), (11680, 37500), (12000, 36500), (12500, 35040), (14016, 31250), (14600, 30000), (15000, 29200), (15625, 28032), (16000, 27375), (17520, 25000), (18250, 24000), (18750, 23360), (20000, 21900)]