438521860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3132299}}^1$

素因数の和:3132315

約数の個数: 24

約数和(自身を含む): 1052452800

約数和(自身を除く): 613930940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3132299, 6264598, 12529196, 15661495, 21926093, 31322990, 43852186, 62645980, 87704372, 109630465, 219260930, 438521860]

約数ペア:

[(1, 438521860), (2, 219260930), (4, 109630465), (5, 87704372), (7, 62645980), (10, 43852186), (14, 31322990), (20, 21926093), (28, 15661495), (35, 12529196), (70, 6264598), (140, 3132299)]