89287940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{637771}}^1$

素因数の和:637787

約数の個数: 24

約数和(自身を含む): 214291392

約数和(自身を除く): 125003452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 637771, 1275542, 2551084, 3188855, 4464397, 6377710, 8928794, 12755420, 17857588, 22321985, 44643970, 89287940]

約数ペア:

[(1, 89287940), (2, 44643970), (4, 22321985), (5, 17857588), (7, 12755420), (10, 8928794), (14, 6377710), (20, 4464397), (28, 3188855), (35, 2551084), (70, 1275542), (140, 637771)]