208889777075

素因数分解:

$5^2\times 7^2\times {\mathrm{61}}^2\times {\mathrm{45827}}^1$

素因数の和:45973

約数の個数: 54

約数和(自身を含む): 306340061508

約数和(自身を除く): 97450284433

約数列:

[1, 5, 7, 25, 35, 49, 61, 175, 245, 305, 427, 1225, 1525, 2135, 2989, 3721, 10675, 14945, 18605, 26047, 45827, 74725, 93025, 130235, 182329, 229135, 320789, 651175, 911645, 1145675, 1603945, 2245523, 2795447, 4558225, 8019725, 11227615, 13977235, 19568129, 56138075, 69886175, 97840645, 136976903, 170522267, 489203225, 684884515, 852611335, 1193655869, 3424422575, 4263056675, 5968279345, 8355591083, 29841396725, 41777955415, 208889777075]

約数ペア:

[(1, 208889777075), (5, 41777955415), (7, 29841396725), (25, 8355591083), (35, 5968279345), (49, 4263056675), (61, 3424422575), (175, 1193655869), (245, 852611335), (305, 684884515), (427, 489203225), (1225, 170522267), (1525, 136976903), (2135, 97840645), (2989, 69886175), (3721, 56138075), (10675, 19568129), (14945, 13977235), (18605, 11227615), (26047, 8019725), (45827, 4558225), (74725, 2795447), (93025, 2245523), (130235, 1603945), (182329, 1145675), (229135, 911645), (320789, 651175)]