2182990

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{521}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 3946320

約数和(自身を除く): 1763330

約数列:

[1, 2, 5, 10, 419, 521, 838, 1042, 2095, 2605, 4190, 5210, 218299, 436598, 1091495, 2182990]

約数ペア:

[(1, 2182990), (2, 1091495), (5, 436598), (10, 218299), (419, 5210), (521, 4190), (838, 2605), (1042, 2095)]