42189980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{43051}}^1$

素因数の和:43074

約数の個数: 36

約数和(自身を含む): 103066488

約数和(自身を除く): 60876508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 43051, 86102, 172204, 215255, 301357, 430510, 602714, 861020, 1205428, 1506785, 2109499, 3013570, 4218998, 6027140, 8437996, 10547495, 21094990, 42189980]

約数ペア:

[(1, 42189980), (2, 21094990), (4, 10547495), (5, 8437996), (7, 6027140), (10, 4218998), (14, 3013570), (20, 2109499), (28, 1506785), (35, 1205428), (49, 861020), (70, 602714), (98, 430510), (140, 301357), (196, 215255), (245, 172204), (490, 86102), (980, 43051)]