87089240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{311033}}^1$

素因数の和:311051

約数の個数: 32

約数和(自身を含む): 223944480

約数和(自身を除く): 136855240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 311033, 622066, 1244132, 1555165, 2177231, 2488264, 3110330, 4354462, 6220660, 8708924, 10886155, 12441320, 17417848, 21772310, 43544620, 87089240]

約数ペア:

[(1, 87089240), (2, 43544620), (4, 21772310), (5, 17417848), (7, 12441320), (8, 10886155), (10, 8708924), (14, 6220660), (20, 4354462), (28, 3110330), (35, 2488264), (40, 2177231), (56, 1555165), (70, 1244132), (140, 622066), (280, 311033)]