251968000

素因数分解:

$2^9\times 5^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 653672448

約数和(自身を除く): 401704448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 127, 128, 155, 160, 200, 248, 250, 254, 256, 310, 320, 400, 496, 500, 508, 512, 620, 635, 640, 775, 800, 992, 1000, 1016, 1240, 1270, 1280, 1550, 1600, 1984, 2000, 2032, 2480, 2540, 2560, 3100, 3175, 3200, 3875, 3937, 3968, 4000, 4064, 4960, 5080, 6200, 6350, 6400, 7750, 7874, 7936, 8000, 8128, 9920, 10160, 12400, 12700, 12800, 15500, 15748, 15872, 15875, 16000, 16256, 19685, 19840, 20320, 24800, 25400, 31000, 31496, 31750, 32000, 32512, 39370, 39680, 40640, 49600, 50800, 62000, 62992, 63500, 64000, 65024, 78740, 79360, 81280, 98425, 99200, 101600, 124000, 125984, 127000, 157480, 162560, 196850, 198400, 203200, 248000, 251968, 254000, 314960, 325120, 393700, 396800, 406400, 492125, 496000, 503936, 508000, 629920, 787400, 812800, 984250, 992000, 1007872, 1016000, 1259840, 1574800, 1625600, 1968500, 1984000, 2015744, 2032000, 2519680, 3149600, 3937000, 4064000, 5039360, 6299200, 7874000, 8128000, 10078720, 12598400, 15748000, 25196800, 31496000, 50393600, 62992000, 125984000, 251968000]

約数ペア:

[(1, 251968000), (2, 125984000), (4, 62992000), (5, 50393600), (8, 31496000), (10, 25196800), (16, 15748000), (20, 12598400), (25, 10078720), (31, 8128000), (32, 7874000), (40, 6299200), (50, 5039360), (62, 4064000), (64, 3937000), (80, 3149600), (100, 2519680), (124, 2032000), (125, 2015744), (127, 1984000), (128, 1968500), (155, 1625600), (160, 1574800), (200, 1259840), (248, 1016000), (250, 1007872), (254, 992000), (256, 984250), (310, 812800), (320, 787400), (400, 629920), (496, 508000), (500, 503936), (508, 496000), (512, 492125), (620, 406400), (635, 396800), (640, 393700), (775, 325120), (800, 314960), (992, 254000), (1000, 251968), (1016, 248000), (1240, 203200), (1270, 198400), (1280, 196850), (1550, 162560), (1600, 157480), (1984, 127000), (2000, 125984), (2032, 124000), (2480, 101600), (2540, 99200), (2560, 98425), (3100, 81280), (3175, 79360), (3200, 78740), (3875, 65024), (3937, 64000), (3968, 63500), (4000, 62992), (4064, 62000), (4960, 50800), (5080, 49600), (6200, 40640), (6350, 39680), (6400, 39370), (7750, 32512), (7874, 32000), (7936, 31750), (8000, 31496), (8128, 31000), (9920, 25400), (10160, 24800), (12400, 20320), (12700, 19840), (12800, 19685), (15500, 16256), (15748, 16000), (15872, 15875)]