291000000

素因数分解:

$2^6\times 3^1\times 5^6\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 196

約数和(自身を含む): 972331304

約数和(自身を除く): 681331304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 97, 100, 120, 125, 150, 160, 192, 194, 200, 240, 250, 291, 300, 320, 375, 388, 400, 480, 485, 500, 582, 600, 625, 750, 776, 800, 960, 970, 1000, 1164, 1200, 1250, 1455, 1500, 1552, 1600, 1875, 1940, 2000, 2328, 2400, 2425, 2500, 2910, 3000, 3104, 3125, 3750, 3880, 4000, 4656, 4800, 4850, 5000, 5820, 6000, 6208, 6250, 7275, 7500, 7760, 8000, 9312, 9375, 9700, 10000, 11640, 12000, 12125, 12500, 14550, 15000, 15520, 15625, 18624, 18750, 19400, 20000, 23280, 24000, 24250, 25000, 29100, 30000, 31040, 31250, 36375, 37500, 38800, 40000, 46560, 46875, 48500, 50000, 58200, 60000, 60625, 62500, 72750, 75000, 77600, 93120, 93750, 97000, 100000, 116400, 120000, 121250, 125000, 145500, 150000, 155200, 181875, 187500, 194000, 200000, 232800, 242500, 250000, 291000, 300000, 303125, 363750, 375000, 388000, 465600, 485000, 500000, 582000, 600000, 606250, 727500, 750000, 776000, 909375, 970000, 1000000, 1164000, 1212500, 1455000, 1500000, 1515625, 1818750, 1940000, 2328000, 2425000, 2910000, 3000000, 3031250, 3637500, 3880000, 4546875, 4850000, 5820000, 6062500, 7275000, 9093750, 9700000, 11640000, 12125000, 14550000, 18187500, 19400000, 24250000, 29100000, 36375000, 48500000, 58200000, 72750000, 97000000, 145500000, 291000000]

約数ペア:

[(1, 291000000), (2, 145500000), (3, 97000000), (4, 72750000), (5, 58200000), (6, 48500000), (8, 36375000), (10, 29100000), (12, 24250000), (15, 19400000), (16, 18187500), (20, 14550000), (24, 12125000), (25, 11640000), (30, 9700000), (32, 9093750), (40, 7275000), (48, 6062500), (50, 5820000), (60, 4850000), (64, 4546875), (75, 3880000), (80, 3637500), (96, 3031250), (97, 3000000), (100, 2910000), (120, 2425000), (125, 2328000), (150, 1940000), (160, 1818750), (192, 1515625), (194, 1500000), (200, 1455000), (240, 1212500), (250, 1164000), (291, 1000000), (300, 970000), (320, 909375), (375, 776000), (388, 750000), (400, 727500), (480, 606250), (485, 600000), (500, 582000), (582, 500000), (600, 485000), (625, 465600), (750, 388000), (776, 375000), (800, 363750), (960, 303125), (970, 300000), (1000, 291000), (1164, 250000), (1200, 242500), (1250, 232800), (1455, 200000), (1500, 194000), (1552, 187500), (1600, 181875), (1875, 155200), (1940, 150000), (2000, 145500), (2328, 125000), (2400, 121250), (2425, 120000), (2500, 116400), (2910, 100000), (3000, 97000), (3104, 93750), (3125, 93120), (3750, 77600), (3880, 75000), (4000, 72750), (4656, 62500), (4800, 60625), (4850, 60000), (5000, 58200), (5820, 50000), (6000, 48500), (6208, 46875), (6250, 46560), (7275, 40000), (7500, 38800), (7760, 37500), (8000, 36375), (9312, 31250), (9375, 31040), (9700, 30000), (10000, 29100), (11640, 25000), (12000, 24250), (12125, 24000), (12500, 23280), (14550, 20000), (15000, 19400), (15520, 18750), (15625, 18624)]