7858900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 19859840

約数和(自身を除く): 12000940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 103, 109, 140, 175, 206, 218, 350, 412, 436, 515, 545, 700, 721, 763, 1030, 1090, 1442, 1526, 2060, 2180, 2575, 2725, 2884, 3052, 3605, 3815, 5150, 5450, 7210, 7630, 10300, 10900, 11227, 14420, 15260, 18025, 19075, 22454, 36050, 38150, 44908, 56135, 72100, 76300, 78589, 112270, 157178, 224540, 280675, 314356, 392945, 561350, 785890, 1122700, 1571780, 1964725, 3929450, 7858900]

約数ペア:

[(1, 7858900), (2, 3929450), (4, 1964725), (5, 1571780), (7, 1122700), (10, 785890), (14, 561350), (20, 392945), (25, 314356), (28, 280675), (35, 224540), (50, 157178), (70, 112270), (100, 78589), (103, 76300), (109, 72100), (140, 56135), (175, 44908), (206, 38150), (218, 36050), (350, 22454), (412, 19075), (436, 18025), (515, 15260), (545, 14420), (700, 11227), (721, 10900), (763, 10300), (1030, 7630), (1090, 7210), (1442, 5450), (1526, 5150), (2060, 3815), (2180, 3605), (2575, 3052), (2725, 2884)]