102980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 228480

約数和(自身を除く): 125500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 271, 380, 542, 1084, 1355, 2710, 5149, 5420, 10298, 20596, 25745, 51490, 102980]

約数ペア:

[(1, 102980), (2, 51490), (4, 25745), (5, 20596), (10, 10298), (19, 5420), (20, 5149), (38, 2710), (76, 1355), (95, 1084), (190, 542), (271, 380)]