1907500

素因数分解:

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

素因数の和:140

約数の個数: 60

約数和(自身を含む): 4810960

約数和(自身を除く): 2903460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 109, 125, 140, 175, 218, 250, 350, 436, 500, 545, 625, 700, 763, 875, 1090, 1250, 1526, 1750, 2180, 2500, 2725, 3052, 3500, 3815, 4375, 5450, 7630, 8750, 10900, 13625, 15260, 17500, 19075, 27250, 38150, 54500, 68125, 76300, 95375, 136250, 190750, 272500, 381500, 476875, 953750, 1907500]

約数ペア:

[(1, 1907500), (2, 953750), (4, 476875), (5, 381500), (7, 272500), (10, 190750), (14, 136250), (20, 95375), (25, 76300), (28, 68125), (35, 54500), (50, 38150), (70, 27250), (100, 19075), (109, 17500), (125, 15260), (140, 13625), (175, 10900), (218, 8750), (250, 7630), (350, 5450), (436, 4375), (500, 3815), (545, 3500), (625, 3052), (700, 2725), (763, 2500), (875, 2180), (1090, 1750), (1250, 1526)]