68135140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9437}}^1$

素因数の和:9484

約数の個数: 36

約数和(自身を含む): 151026876

約数和(自身を除く): 82891736

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9437, 18874, 37748, 47185, 94370, 179303, 188740, 358606, 717212, 896515, 1793030, 3406757, 3586060, 6813514, 13627028, 17033785, 34067570, 68135140]

約数ペア:

[(1, 68135140), (2, 34067570), (4, 17033785), (5, 13627028), (10, 6813514), (19, 3586060), (20, 3406757), (38, 1793030), (76, 896515), (95, 717212), (190, 358606), (361, 188740), (380, 179303), (722, 94370), (1444, 47185), (1805, 37748), (3610, 18874), (7220, 9437)]