2440190

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1021}}^1$

素因数の和:1267

約数の個数: 16

約数和(自身を含む): 4415040

約数和(自身を除く): 1974850

約数列:

[1, 2, 5, 10, 239, 478, 1021, 1195, 2042, 2390, 5105, 10210, 244019, 488038, 1220095, 2440190]

約数ペア:

[(1, 2440190), (2, 1220095), (5, 488038), (10, 244019), (239, 10210), (478, 5105), (1021, 2390), (1195, 2042)]