216860420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1549003}}^1$

素因数の和:1549019

約数の個数: 24

約数和(自身を含む): 520465344

約数和(自身を除く): 303604924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1549003, 3098006, 6196012, 7745015, 10843021, 15490030, 21686042, 30980060, 43372084, 54215105, 108430210, 216860420]

約数ペア:

[(1, 216860420), (2, 108430210), (4, 54215105), (5, 43372084), (7, 30980060), (10, 21686042), (14, 15490030), (20, 10843021), (28, 7745015), (35, 6196012), (70, 3098006), (140, 1549003)]