89405540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{911}}^1$

素因数の和:1628

約数の個数: 48

約数和(自身を含む): 215115264

約数和(自身を除く): 125709724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 701, 911, 1402, 1822, 2804, 3505, 3644, 4555, 4907, 6377, 7010, 9110, 9814, 12754, 14020, 18220, 19628, 24535, 25508, 31885, 49070, 63770, 98140, 127540, 638611, 1277222, 2554444, 3193055, 4470277, 6386110, 8940554, 12772220, 17881108, 22351385, 44702770, 89405540]

約数ペア:

[(1, 89405540), (2, 44702770), (4, 22351385), (5, 17881108), (7, 12772220), (10, 8940554), (14, 6386110), (20, 4470277), (28, 3193055), (35, 2554444), (70, 1277222), (140, 638611), (701, 127540), (911, 98140), (1402, 63770), (1822, 49070), (2804, 31885), (3505, 25508), (3644, 24535), (4555, 19628), (4907, 18220), (6377, 14020), (7010, 12754), (9110, 9814)]