71151220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{508223}}^1$

素因数の和:508239

約数の個数: 24

約数和(自身を含む): 170763264

約数和(自身を除く): 99612044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 508223, 1016446, 2032892, 2541115, 3557561, 5082230, 7115122, 10164460, 14230244, 17787805, 35575610, 71151220]

約数ペア:

[(1, 71151220), (2, 35575610), (4, 17787805), (5, 14230244), (7, 10164460), (10, 7115122), (14, 5082230), (20, 3557561), (28, 2541115), (35, 2032892), (70, 1016446), (140, 508223)]