306998860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2192849}}^1$

素因数の和:2192865

約数の個数: 24

約数和(自身を含む): 736797600

約数和(自身を除く): 429798740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2192849, 4385698, 8771396, 10964245, 15349943, 21928490, 30699886, 43856980, 61399772, 76749715, 153499430, 306998860]

約数ペア:

[(1, 306998860), (2, 153499430), (4, 76749715), (5, 61399772), (7, 43856980), (10, 30699886), (14, 21928490), (20, 15349943), (28, 10964245), (35, 8771396), (70, 4385698), (140, 2192849)]