1356702980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{187909}}^1$

素因数の和:187956

約数の個数: 36

約数和(自身を含む): 3006935820

約数和(自身を除く): 1650232840

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 187909, 375818, 751636, 939545, 1879090, 3570271, 3758180, 7140542, 14281084, 17851355, 35702710, 67835149, 71405420, 135670298, 271340596, 339175745, 678351490, 1356702980]

約数ペア:

[(1, 1356702980), (2, 678351490), (4, 339175745), (5, 271340596), (10, 135670298), (19, 71405420), (20, 67835149), (38, 35702710), (76, 17851355), (95, 14281084), (190, 7140542), (361, 3758180), (380, 3570271), (722, 1879090), (1444, 939545), (1805, 751636), (3610, 375818), (7220, 187909)]