495140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 1095360

約数和(自身を除く): 600220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1303, 2606, 5212, 6515, 13030, 24757, 26060, 49514, 99028, 123785, 247570, 495140]

約数ペア:

[(1, 495140), (2, 247570), (4, 123785), (5, 99028), (10, 49514), (19, 26060), (20, 24757), (38, 13030), (76, 6515), (95, 5212), (190, 2606), (380, 1303)]