257862400

素因数分解:

$2^8\times 5^2\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1006

約数の個数: 108

約数和(自身を含む): 653789752

約数和(自身を除く): 395927352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 160, 172, 200, 215, 256, 320, 344, 400, 430, 640, 688, 800, 860, 937, 1075, 1280, 1376, 1600, 1720, 1874, 2150, 2752, 3200, 3440, 3748, 4300, 4685, 5504, 6400, 6880, 7496, 8600, 9370, 11008, 13760, 14992, 17200, 18740, 23425, 27520, 29984, 34400, 37480, 40291, 46850, 55040, 59968, 68800, 74960, 80582, 93700, 119936, 137600, 149920, 161164, 187400, 201455, 239872, 275200, 299840, 322328, 374800, 402910, 599680, 644656, 749600, 805820, 1007275, 1199360, 1289312, 1499200, 1611640, 2014550, 2578624, 2998400, 3223280, 4029100, 5157248, 5996800, 6446560, 8058200, 10314496, 12893120, 16116400, 25786240, 32232800, 51572480, 64465600, 128931200, 257862400]

約数ペア:

[(1, 257862400), (2, 128931200), (4, 64465600), (5, 51572480), (8, 32232800), (10, 25786240), (16, 16116400), (20, 12893120), (25, 10314496), (32, 8058200), (40, 6446560), (43, 5996800), (50, 5157248), (64, 4029100), (80, 3223280), (86, 2998400), (100, 2578624), (128, 2014550), (160, 1611640), (172, 1499200), (200, 1289312), (215, 1199360), (256, 1007275), (320, 805820), (344, 749600), (400, 644656), (430, 599680), (640, 402910), (688, 374800), (800, 322328), (860, 299840), (937, 275200), (1075, 239872), (1280, 201455), (1376, 187400), (1600, 161164), (1720, 149920), (1874, 137600), (2150, 119936), (2752, 93700), (3200, 80582), (3440, 74960), (3748, 68800), (4300, 59968), (4685, 55040), (5504, 46850), (6400, 40291), (6880, 37480), (7496, 34400), (8600, 29984), (9370, 27520), (11008, 23425), (13760, 18740), (14992, 17200)]