858280000

素因数分解:

$2^6\times 5^4\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:574

約数の個数: 140

約数和(自身を含む): 2182114000

約数和(自身を除く): 1323834000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 125, 160, 172, 200, 215, 250, 320, 344, 400, 430, 499, 500, 625, 688, 800, 860, 998, 1000, 1075, 1250, 1376, 1600, 1720, 1996, 2000, 2150, 2495, 2500, 2752, 3440, 3992, 4000, 4300, 4990, 5000, 5375, 6880, 7984, 8000, 8600, 9980, 10000, 10750, 12475, 13760, 15968, 17200, 19960, 20000, 21457, 21500, 24950, 26875, 31936, 34400, 39920, 40000, 42914, 43000, 49900, 53750, 62375, 68800, 79840, 85828, 86000, 99800, 107285, 107500, 124750, 159680, 171656, 172000, 199600, 214570, 215000, 249500, 311875, 343312, 344000, 399200, 429140, 430000, 499000, 536425, 623750, 686624, 798400, 858280, 860000, 998000, 1072850, 1247500, 1373248, 1716560, 1720000, 1996000, 2145700, 2495000, 2682125, 3433120, 3992000, 4291400, 4990000, 5364250, 6866240, 8582800, 9980000, 10728500, 13410625, 17165600, 19960000, 21457000, 26821250, 34331200, 42914000, 53642500, 85828000, 107285000, 171656000, 214570000, 429140000, 858280000]

約数ペア:

[(1, 858280000), (2, 429140000), (4, 214570000), (5, 171656000), (8, 107285000), (10, 85828000), (16, 53642500), (20, 42914000), (25, 34331200), (32, 26821250), (40, 21457000), (43, 19960000), (50, 17165600), (64, 13410625), (80, 10728500), (86, 9980000), (100, 8582800), (125, 6866240), (160, 5364250), (172, 4990000), (200, 4291400), (215, 3992000), (250, 3433120), (320, 2682125), (344, 2495000), (400, 2145700), (430, 1996000), (499, 1720000), (500, 1716560), (625, 1373248), (688, 1247500), (800, 1072850), (860, 998000), (998, 860000), (1000, 858280), (1075, 798400), (1250, 686624), (1376, 623750), (1600, 536425), (1720, 499000), (1996, 430000), (2000, 429140), (2150, 399200), (2495, 344000), (2500, 343312), (2752, 311875), (3440, 249500), (3992, 215000), (4000, 214570), (4300, 199600), (4990, 172000), (5000, 171656), (5375, 159680), (6880, 124750), (7984, 107500), (8000, 107285), (8600, 99800), (9980, 86000), (10000, 85828), (10750, 79840), (12475, 68800), (13760, 62375), (15968, 53750), (17200, 49900), (19960, 43000), (20000, 42914), (21457, 40000), (21500, 39920), (24950, 34400), (26875, 31936)]