91438060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9199}}^1$

素因数の和:9286

約数の個数: 48

約数和(自身を含む): 222566400

約数和(自身を除く): 131128340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9199, 9940, 18398, 36796, 45995, 64393, 91990, 128786, 183980, 257572, 321965, 643930, 653129, 1287860, 1306258, 2612516, 3265645, 4571903, 6531290, 9143806, 13062580, 18287612, 22859515, 45719030, 91438060]

約数ペア:

[(1, 91438060), (2, 45719030), (4, 22859515), (5, 18287612), (7, 13062580), (10, 9143806), (14, 6531290), (20, 4571903), (28, 3265645), (35, 2612516), (70, 1306258), (71, 1287860), (140, 653129), (142, 643930), (284, 321965), (355, 257572), (497, 183980), (710, 128786), (994, 91990), (1420, 64393), (1988, 45995), (2485, 36796), (4970, 18398), (9199, 9940)]