1242980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3271}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 2748480

約数和(自身を除く): 1505500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 3271, 6542, 13084, 16355, 32710, 62149, 65420, 124298, 248596, 310745, 621490, 1242980]

約数ペア:

[(1, 1242980), (2, 621490), (4, 310745), (5, 248596), (10, 124298), (19, 65420), (20, 62149), (38, 32710), (76, 16355), (95, 13084), (190, 6542), (380, 3271)]