818860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5849}}^1$

素因数の和:5865

約数の個数: 24

約数和(自身を含む): 1965600

約数和(自身を除く): 1146740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5849, 11698, 23396, 29245, 40943, 58490, 81886, 116980, 163772, 204715, 409430, 818860]

約数ペア:

[(1, 818860), (2, 409430), (4, 204715), (5, 163772), (7, 116980), (10, 81886), (14, 58490), (20, 40943), (28, 29245), (35, 23396), (70, 11698), (140, 5849)]