86888140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1669}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 193586400

約数和(自身を除く): 106698260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 1669, 2603, 2740, 3338, 5206, 6676, 8345, 10412, 13015, 16690, 26030, 31711, 33380, 52060, 63422, 126844, 158555, 228653, 317110, 457306, 634220, 914612, 1143265, 2286530, 4344407, 4573060, 8688814, 17377628, 21722035, 43444070, 86888140]

約数ペア:

[(1, 86888140), (2, 43444070), (4, 21722035), (5, 17377628), (10, 8688814), (19, 4573060), (20, 4344407), (38, 2286530), (76, 1143265), (95, 914612), (137, 634220), (190, 457306), (274, 317110), (380, 228653), (548, 158555), (685, 126844), (1370, 63422), (1669, 52060), (2603, 33380), (2740, 31711), (3338, 26030), (5206, 16690), (6676, 13015), (8345, 10412)]