188020420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1343003}}^1$

素因数の和:1343019

約数の個数: 24

約数和(自身を含む): 451249344

約数和(自身を除く): 263228924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1343003, 2686006, 5372012, 6715015, 9401021, 13430030, 18802042, 26860060, 37604084, 47005105, 94010210, 188020420]

約数ペア:

[(1, 188020420), (2, 94010210), (4, 47005105), (5, 37604084), (7, 26860060), (10, 18802042), (14, 13430030), (20, 9401021), (28, 6715015), (35, 5372012), (70, 2686006), (140, 1343003)]