304360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1087}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 783360

約数和(自身を除く): 479000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1087, 2174, 4348, 5435, 7609, 8696, 10870, 15218, 21740, 30436, 38045, 43480, 60872, 76090, 152180, 304360]

約数ペア:

[(1, 304360), (2, 152180), (4, 76090), (5, 60872), (7, 43480), (8, 38045), (10, 30436), (14, 21740), (20, 15218), (28, 10870), (35, 8696), (40, 7609), (56, 5435), (70, 4348), (140, 2174), (280, 1087)]