138118220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15803}}^1$

素因数の和:15854

約数の個数: 48

約数和(自身を含む): 318608640

約数和(自身を除く): 180490420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 4370, 8740, 15803, 31606, 63212, 79015, 158030, 300257, 316060, 363469, 600514, 726938, 1201028, 1453876, 1501285, 1817345, 3002570, 3634690, 6005140, 6905911, 7269380, 13811822, 27623644, 34529555, 69059110, 138118220]

約数ペア:

[(1, 138118220), (2, 69059110), (4, 34529555), (5, 27623644), (10, 13811822), (19, 7269380), (20, 6905911), (23, 6005140), (38, 3634690), (46, 3002570), (76, 1817345), (92, 1501285), (95, 1453876), (115, 1201028), (190, 726938), (230, 600514), (380, 363469), (437, 316060), (460, 300257), (874, 158030), (1748, 79015), (2185, 63212), (4370, 31606), (8740, 15803)]