77440000

素因数分解:

$2^{10}\times 5^4\times {\mathrm{11}}^2$

素因数の和:62

約数の個数: 165

約数和(自身を含む): 212628031

約数和(自身を除く): 135188031

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 121, 125, 128, 160, 176, 200, 220, 242, 250, 256, 275, 320, 352, 400, 440, 484, 500, 512, 550, 605, 625, 640, 704, 800, 880, 968, 1000, 1024, 1100, 1210, 1250, 1280, 1375, 1408, 1600, 1760, 1936, 2000, 2200, 2420, 2500, 2560, 2750, 2816, 3025, 3200, 3520, 3872, 4000, 4400, 4840, 5000, 5120, 5500, 5632, 6050, 6400, 6875, 7040, 7744, 8000, 8800, 9680, 10000, 11000, 11264, 12100, 12800, 13750, 14080, 15125, 15488, 16000, 17600, 19360, 20000, 22000, 24200, 25600, 27500, 28160, 30250, 30976, 32000, 35200, 38720, 40000, 44000, 48400, 55000, 56320, 60500, 61952, 64000, 70400, 75625, 77440, 80000, 88000, 96800, 110000, 121000, 123904, 128000, 140800, 151250, 154880, 160000, 176000, 193600, 220000, 242000, 281600, 302500, 309760, 320000, 352000, 387200, 440000, 484000, 605000, 619520, 640000, 704000, 774400, 880000, 968000, 1210000, 1408000, 1548800, 1760000, 1936000, 2420000, 3097600, 3520000, 3872000, 4840000, 7040000, 7744000, 9680000, 15488000, 19360000, 38720000, 77440000]

約数ペア:

[(1, 77440000), (2, 38720000), (4, 19360000), (5, 15488000), (8, 9680000), (10, 7744000), (11, 7040000), (16, 4840000), (20, 3872000), (22, 3520000), (25, 3097600), (32, 2420000), (40, 1936000), (44, 1760000), (50, 1548800), (55, 1408000), (64, 1210000), (80, 968000), (88, 880000), (100, 774400), (110, 704000), (121, 640000), (125, 619520), (128, 605000), (160, 484000), (176, 440000), (200, 387200), (220, 352000), (242, 320000), (250, 309760), (256, 302500), (275, 281600), (320, 242000), (352, 220000), (400, 193600), (440, 176000), (484, 160000), (500, 154880), (512, 151250), (550, 140800), (605, 128000), (625, 123904), (640, 121000), (704, 110000), (800, 96800), (880, 88000), (968, 80000), (1000, 77440), (1024, 75625), (1100, 70400), (1210, 64000), (1250, 61952), (1280, 60500), (1375, 56320), (1408, 55000), (1600, 48400), (1760, 44000), (1936, 40000), (2000, 38720), (2200, 35200), (2420, 32000), (2500, 30976), (2560, 30250), (2750, 28160), (2816, 27500), (3025, 25600), (3200, 24200), (3520, 22000), (3872, 20000), (4000, 19360), (4400, 17600), (4840, 16000), (5000, 15488), (5120, 15125), (5500, 14080), (5632, 13750), (6050, 12800), (6400, 12100), (6875, 11264), (7040, 11000), (7744, 10000), (8000, 9680)]