321012980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{844771}}^1$

素因数の和:844799

約数の個数: 24

約数和(自身を含む): 709608480

約数和(自身を除く): 388595500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 844771, 1689542, 3379084, 4223855, 8447710, 16050649, 16895420, 32101298, 64202596, 80253245, 160506490, 321012980]

約数ペア:

[(1, 321012980), (2, 160506490), (4, 80253245), (5, 64202596), (10, 32101298), (19, 16895420), (20, 16050649), (38, 8447710), (76, 4223855), (95, 3379084), (190, 1689542), (380, 844771)]