126629860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{904499}}^1$

素因数の和:904515

約数の個数: 24

約数和(自身を含む): 303912000

約数和(自身を除く): 177282140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 904499, 1808998, 3617996, 4522495, 6331493, 9044990, 12662986, 18089980, 25325972, 31657465, 63314930, 126629860]

約数ペア:

[(1, 126629860), (2, 63314930), (4, 31657465), (5, 25325972), (7, 18089980), (10, 12662986), (14, 9044990), (20, 6331493), (28, 4522495), (35, 3617996), (70, 1808998), (140, 904499)]