1259840000

素因数分解:

$2^9\times 5^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:196

約数の個数: 200

約数和(自身を含む): 3272552448

約数和(自身を除く): 2012712448

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, 625, 635, 640, 775, 800, 992, 1000, 1016, 1240, 1250, 1270, 1280, 1550, 1600, 1984, 2000, 2032, 2480, 2500, 2540, 2560, 3100, 3175, 3200, 3875, 3937, 3968, 4000, 4064, 4960, 5000, 5080, 6200, 6350, 6400, 7750, 7874, 7936, 8000, 8128, 9920, 10000, 10160, 12400, 12700, 12800, 15500, 15748, 15872, 15875, 16000, 16256, 19375, 19685, 19840, 20000, 20320, 24800, 25400, 31000, 31496, 31750, 32000, 32512, 38750, 39370, 39680, 40000, 40640, 49600, 50800, 62000, 62992, 63500, 64000, 65024, 77500, 78740, 79360, 79375, 80000, 81280, 98425, 99200, 101600, 124000, 125984, 127000, 155000, 157480, 158750, 160000, 162560, 196850, 198400, 203200, 248000, 251968, 254000, 310000, 314960, 317500, 320000, 325120, 393700, 396800, 406400, 492125, 496000, 503936, 508000, 620000, 629920, 635000, 787400, 812800, 984250, 992000, 1007872, 1016000, 1240000, 1259840, 1270000, 1574800, 1625600, 1968500, 1984000, 2015744, 2032000, 2460625, 2480000, 2519680, 2540000, 3149600, 3937000, 4064000, 4921250, 4960000, 5039360, 5080000, 6299200, 7874000, 8128000, 9842500, 9920000, 10078720, 10160000, 12598400, 15748000, 19685000, 20320000, 25196800, 31496000, 39370000, 40640000, 50393600, 62992000, 78740000, 125984000, 157480000, 251968000, 314960000, 629920000, 1259840000]

約数ペア:

[(1, 1259840000), (2, 629920000), (4, 314960000), (5, 251968000), (8, 157480000), (10, 125984000), (16, 78740000), (20, 62992000), (25, 50393600), (31, 40640000), (32, 39370000), (40, 31496000), (50, 25196800), (62, 20320000), (64, 19685000), (80, 15748000), (100, 12598400), (124, 10160000), (125, 10078720), (127, 9920000), (128, 9842500), (155, 8128000), (160, 7874000), (200, 6299200), (248, 5080000), (250, 5039360), (254, 4960000), (256, 4921250), (310, 4064000), (320, 3937000), (400, 3149600), (496, 2540000), (500, 2519680), (508, 2480000), (512, 2460625), (620, 2032000), (625, 2015744), (635, 1984000), (640, 1968500), (775, 1625600), (800, 1574800), (992, 1270000), (1000, 1259840), (1016, 1240000), (1240, 1016000), (1250, 1007872), (1270, 992000), (1280, 984250), (1550, 812800), (1600, 787400), (1984, 635000), (2000, 629920), (2032, 620000), (2480, 508000), (2500, 503936), (2540, 496000), (2560, 492125), (3100, 406400), (3175, 396800), (3200, 393700), (3875, 325120), (3937, 320000), (3968, 317500), (4000, 314960), (4064, 310000), (4960, 254000), (5000, 251968), (5080, 248000), (6200, 203200), (6350, 198400), (6400, 196850), (7750, 162560), (7874, 160000), (7936, 158750), (8000, 157480), (8128, 155000), (9920, 127000), (10000, 125984), (10160, 124000), (12400, 101600), (12700, 99200), (12800, 98425), (15500, 81280), (15748, 80000), (15872, 79375), (15875, 79360), (16000, 78740), (16256, 77500), (19375, 65024), (19685, 64000), (19840, 63500), (20000, 62992), (20320, 62000), (24800, 50800), (25400, 49600), (31000, 40640), (31496, 40000), (31750, 39680), (32000, 39370), (32512, 38750)]