669998000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{47857}}^1$

素因数の和:47887

約数の個数: 80

約数和(自身を含む): 1851530304

約数和(自身を除く): 1181532304

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 7000, 14000, 47857, 95714, 191428, 239285, 334999, 382856, 478570, 669998, 765712, 957140, 1196425, 1339996, 1674995, 1914280, 2392850, 2679992, 3349990, 3828560, 4785700, 5359984, 5982125, 6699980, 8374975, 9571400, 11964250, 13399960, 16749950, 19142800, 23928500, 26799920, 33499900, 41874875, 47857000, 66999800, 83749750, 95714000, 133999600, 167499500, 334999000, 669998000]

約数ペア:

[(1, 669998000), (2, 334999000), (4, 167499500), (5, 133999600), (7, 95714000), (8, 83749750), (10, 66999800), (14, 47857000), (16, 41874875), (20, 33499900), (25, 26799920), (28, 23928500), (35, 19142800), (40, 16749950), (50, 13399960), (56, 11964250), (70, 9571400), (80, 8374975), (100, 6699980), (112, 5982125), (125, 5359984), (140, 4785700), (175, 3828560), (200, 3349990), (250, 2679992), (280, 2392850), (350, 1914280), (400, 1674995), (500, 1339996), (560, 1196425), (700, 957140), (875, 765712), (1000, 669998), (1400, 478570), (1750, 382856), (2000, 334999), (2800, 239285), (3500, 191428), (7000, 95714), (14000, 47857)]