71320220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^2\times {\mathrm{379}}^1$

素因数の和:582

約数の個数: 36

約数和(自身を含む): 151731720

約数和(自身を除く): 80411500

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 379, 388, 485, 758, 970, 1516, 1895, 1940, 3790, 7580, 9409, 18818, 36763, 37636, 47045, 73526, 94090, 147052, 183815, 188180, 367630, 735260, 3566011, 7132022, 14264044, 17830055, 35660110, 71320220]

約数ペア:

[(1, 71320220), (2, 35660110), (4, 17830055), (5, 14264044), (10, 7132022), (20, 3566011), (97, 735260), (194, 367630), (379, 188180), (388, 183815), (485, 147052), (758, 94090), (970, 73526), (1516, 47045), (1895, 37636), (1940, 36763), (3790, 18818), (7580, 9409)]