2948890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 6140160

約数和(自身を除く): 3191270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 409, 515, 721, 818, 1030, 1442, 2045, 2863, 3605, 4090, 5726, 7210, 14315, 28630, 42127, 84254, 210635, 294889, 421270, 589778, 1474445, 2948890]

約数ペア:

[(1, 2948890), (2, 1474445), (5, 589778), (7, 421270), (10, 294889), (14, 210635), (35, 84254), (70, 42127), (103, 28630), (206, 14315), (409, 7210), (515, 5726), (721, 4090), (818, 3605), (1030, 2863), (1442, 2045)]