494959780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{505061}}^1$

素因数の和:505084

約数の個数: 36

約数和(自身を含む): 1209118428

約数和(自身を除く): 714158648

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 505061, 1010122, 2020244, 2525305, 3535427, 5050610, 7070854, 10101220, 14141708, 17677135, 24747989, 35354270, 49495978, 70708540, 98991956, 123739945, 247479890, 494959780]

約数ペア:

[(1, 494959780), (2, 247479890), (4, 123739945), (5, 98991956), (7, 70708540), (10, 49495978), (14, 35354270), (20, 24747989), (28, 17677135), (35, 14141708), (49, 10101220), (70, 7070854), (98, 5050610), (140, 3535427), (196, 2525305), (245, 2020244), (490, 1010122), (980, 505061)]