317984000

素因数分解:

$2^8\times 5^3\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:573

約数の個数: 144

約数和(自身を含む): 835423680

約数和(自身を除く): 517439680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 256, 304, 320, 380, 400, 475, 500, 523, 608, 640, 760, 800, 950, 1000, 1046, 1216, 1280, 1520, 1600, 1900, 2000, 2092, 2375, 2432, 2615, 3040, 3200, 3800, 4000, 4184, 4750, 4864, 5230, 6080, 6400, 7600, 8000, 8368, 9500, 9937, 10460, 12160, 13075, 15200, 16000, 16736, 19000, 19874, 20920, 24320, 26150, 30400, 32000, 33472, 38000, 39748, 41840, 49685, 52300, 60800, 65375, 66944, 76000, 79496, 83680, 99370, 104600, 121600, 130750, 133888, 152000, 158992, 167360, 198740, 209200, 248425, 261500, 304000, 317984, 334720, 397480, 418400, 496850, 523000, 608000, 635968, 669440, 794960, 836800, 993700, 1046000, 1242125, 1271936, 1589920, 1673600, 1987400, 2092000, 2484250, 2543872, 3179840, 3347200, 3974800, 4184000, 4968500, 6359680, 7949600, 8368000, 9937000, 12719360, 15899200, 16736000, 19874000, 31798400, 39748000, 63596800, 79496000, 158992000, 317984000]

約数ペア:

[(1, 317984000), (2, 158992000), (4, 79496000), (5, 63596800), (8, 39748000), (10, 31798400), (16, 19874000), (19, 16736000), (20, 15899200), (25, 12719360), (32, 9937000), (38, 8368000), (40, 7949600), (50, 6359680), (64, 4968500), (76, 4184000), (80, 3974800), (95, 3347200), (100, 3179840), (125, 2543872), (128, 2484250), (152, 2092000), (160, 1987400), (190, 1673600), (200, 1589920), (250, 1271936), (256, 1242125), (304, 1046000), (320, 993700), (380, 836800), (400, 794960), (475, 669440), (500, 635968), (523, 608000), (608, 523000), (640, 496850), (760, 418400), (800, 397480), (950, 334720), (1000, 317984), (1046, 304000), (1216, 261500), (1280, 248425), (1520, 209200), (1600, 198740), (1900, 167360), (2000, 158992), (2092, 152000), (2375, 133888), (2432, 130750), (2615, 121600), (3040, 104600), (3200, 99370), (3800, 83680), (4000, 79496), (4184, 76000), (4750, 66944), (4864, 65375), (5230, 60800), (6080, 52300), (6400, 49685), (7600, 41840), (8000, 39748), (8368, 38000), (9500, 33472), (9937, 32000), (10460, 30400), (12160, 26150), (13075, 24320), (15200, 20920), (16000, 19874), (16736, 19000)]