314960000

素因数分解:

$2^7\times 5^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 160

約数和(自身を含む): 815738880

約数和(自身を除く): 500778880

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, 310, 320, 400, 496, 500, 508, 620, 625, 635, 640, 775, 800, 992, 1000, 1016, 1240, 1250, 1270, 1550, 1600, 1984, 2000, 2032, 2480, 2500, 2540, 3100, 3175, 3200, 3875, 3937, 3968, 4000, 4064, 4960, 5000, 5080, 6200, 6350, 7750, 7874, 8000, 8128, 9920, 10000, 10160, 12400, 12700, 15500, 15748, 15875, 16000, 16256, 19375, 19685, 19840, 20000, 20320, 24800, 25400, 31000, 31496, 31750, 38750, 39370, 40000, 40640, 49600, 50800, 62000, 62992, 63500, 77500, 78740, 79375, 80000, 81280, 98425, 99200, 101600, 124000, 125984, 127000, 155000, 157480, 158750, 196850, 203200, 248000, 251968, 254000, 310000, 314960, 317500, 393700, 406400, 492125, 496000, 503936, 508000, 620000, 629920, 635000, 787400, 984250, 1016000, 1240000, 1259840, 1270000, 1574800, 1968500, 2032000, 2460625, 2480000, 2519680, 2540000, 3149600, 3937000, 4921250, 5080000, 6299200, 7874000, 9842500, 10160000, 12598400, 15748000, 19685000, 31496000, 39370000, 62992000, 78740000, 157480000, 314960000]

約数ペア:

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