3815000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{109}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 10309200

約数和(自身を除く): 6494200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 109, 125, 140, 175, 200, 218, 250, 280, 350, 436, 500, 545, 625, 700, 763, 872, 875, 1000, 1090, 1250, 1400, 1526, 1750, 2180, 2500, 2725, 3052, 3500, 3815, 4360, 4375, 5000, 5450, 6104, 7000, 7630, 8750, 10900, 13625, 15260, 17500, 19075, 21800, 27250, 30520, 35000, 38150, 54500, 68125, 76300, 95375, 109000, 136250, 152600, 190750, 272500, 381500, 476875, 545000, 763000, 953750, 1907500, 3815000]

約数ペア:

[(1, 3815000), (2, 1907500), (4, 953750), (5, 763000), (7, 545000), (8, 476875), (10, 381500), (14, 272500), (20, 190750), (25, 152600), (28, 136250), (35, 109000), (40, 95375), (50, 76300), (56, 68125), (70, 54500), (100, 38150), (109, 35000), (125, 30520), (140, 27250), (175, 21800), (200, 19075), (218, 17500), (250, 15260), (280, 13625), (350, 10900), (436, 8750), (500, 7630), (545, 7000), (625, 6104), (700, 5450), (763, 5000), (872, 4375), (875, 4360), (1000, 3815), (1090, 3500), (1250, 3052), (1400, 2725), (1526, 2500), (1750, 2180)]