2019802190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{280139}}^1$

素因数の和:280256

約数の個数: 32

約数和(自身を含む): 4195376640

約数和(自身を除く): 2175574450

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 280139, 560278, 1400695, 1960973, 2801390, 3921946, 9804865, 19609730, 28854317, 57708634, 144271585, 201980219, 288543170, 403960438, 1009901095, 2019802190]

約数ペア:

[(1, 2019802190), (2, 1009901095), (5, 403960438), (7, 288543170), (10, 201980219), (14, 144271585), (35, 57708634), (70, 28854317), (103, 19609730), (206, 9804865), (515, 3921946), (721, 2801390), (1030, 1960973), (1442, 1400695), (3605, 560278), (7210, 280139)]