87496780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{624977}}^1$

素因数の和:624993

約数の個数: 24

約数和(自身を含む): 209992608

約数和(自身を除く): 122495828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 624977, 1249954, 2499908, 3124885, 4374839, 6249770, 8749678, 12499540, 17499356, 21874195, 43748390, 87496780]

約数ペア:

[(1, 87496780), (2, 43748390), (4, 21874195), (5, 17499356), (7, 12499540), (10, 8749678), (14, 6249770), (20, 4374839), (28, 3124885), (35, 2499908), (70, 1249954), (140, 624977)]