87188780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{622777}}^1$

素因数の和:622793

約数の個数: 24

約数和(自身を含む): 209253408

約数和(自身を除く): 122064628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 622777, 1245554, 2491108, 3113885, 4359439, 6227770, 8718878, 12455540, 17437756, 21797195, 43594390, 87188780]

約数ペア:

[(1, 87188780), (2, 43594390), (4, 21797195), (5, 17437756), (7, 12455540), (10, 8718878), (14, 6227770), (20, 4359439), (28, 3113885), (35, 2491108), (70, 1245554), (140, 622777)]