71378650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1871}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 153204480

約数和(自身を除く): 81825830

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 175, 218, 350, 545, 763, 1090, 1526, 1871, 2725, 3742, 3815, 5450, 7630, 9355, 13097, 18710, 19075, 26194, 38150, 46775, 65485, 93550, 130970, 203939, 327425, 407878, 654850, 1019695, 1427573, 2039390, 2855146, 5098475, 7137865, 10196950, 14275730, 35689325, 71378650]

約数ペア:

[(1, 71378650), (2, 35689325), (5, 14275730), (7, 10196950), (10, 7137865), (14, 5098475), (25, 2855146), (35, 2039390), (50, 1427573), (70, 1019695), (109, 654850), (175, 407878), (218, 327425), (350, 203939), (545, 130970), (763, 93550), (1090, 65485), (1526, 46775), (1871, 38150), (2725, 26194), (3742, 19075), (3815, 18710), (5450, 13097), (7630, 9355)]