90495580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{646397}}^1$

素因数の和:646413

約数の個数: 24

約数和(自身を含む): 217189728

約数和(自身を除く): 126694148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 646397, 1292794, 2585588, 3231985, 4524779, 6463970, 9049558, 12927940, 18099116, 22623895, 45247790, 90495580]

約数ペア:

[(1, 90495580), (2, 45247790), (4, 22623895), (5, 18099116), (7, 12927940), (10, 9049558), (14, 6463970), (20, 4524779), (28, 3231985), (35, 2585588), (70, 1292794), (140, 646397)]