259259140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1851851}}^1$

素因数の和:1851867

約数の個数: 24

約数和(自身を含む): 622222272

約数和(自身を除く): 362963132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1851851, 3703702, 7407404, 9259255, 12962957, 18518510, 25925914, 37037020, 51851828, 64814785, 129629570, 259259140]

約数ペア:

[(1, 259259140), (2, 129629570), (4, 64814785), (5, 51851828), (7, 37037020), (10, 25925914), (14, 18518510), (20, 12962957), (28, 9259255), (35, 7407404), (70, 3703702), (140, 1851851)]