85381240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{304933}}^1$

素因数の和:304951

約数の個数: 32

約数和(自身を含む): 219552480

約数和(自身を除く): 134171240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 304933, 609866, 1219732, 1524665, 2134531, 2439464, 3049330, 4269062, 6098660, 8538124, 10672655, 12197320, 17076248, 21345310, 42690620, 85381240]

約数ペア:

[(1, 85381240), (2, 42690620), (4, 21345310), (5, 17076248), (7, 12197320), (8, 10672655), (10, 8538124), (14, 6098660), (20, 4269062), (28, 3049330), (35, 2439464), (40, 2134531), (56, 1524665), (70, 1219732), (140, 609866), (280, 304933)]