3902980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10271}}^1$

素因数の和:10299

約数の個数: 24

約数和(自身を含む): 8628480

約数和(自身を除く): 4725500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10271, 20542, 41084, 51355, 102710, 195149, 205420, 390298, 780596, 975745, 1951490, 3902980]

約数ペア:

[(1, 3902980), (2, 1951490), (4, 975745), (5, 780596), (10, 390298), (19, 205420), (20, 195149), (38, 102710), (76, 51355), (95, 41084), (190, 20542), (380, 10271)]