2885455720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2857}}^1\times {\mathrm{3607}}^1$

素因数の和:6482

約数の個数: 64

約数和(自身を含む): 7424398080

約数和(自身を除く): 4538942360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2857, 3607, 5714, 7214, 11428, 14285, 14428, 18035, 19999, 22856, 25249, 28570, 28856, 36070, 39998, 50498, 57140, 72140, 79996, 99995, 100996, 114280, 126245, 144280, 159992, 199990, 201992, 252490, 399980, 504980, 799960, 1009960, 10305199, 20610398, 41220796, 51525995, 72136393, 82441592, 103051990, 144272786, 206103980, 288545572, 360681965, 412207960, 577091144, 721363930, 1442727860, 2885455720]

約数ペア:

[(1, 2885455720), (2, 1442727860), (4, 721363930), (5, 577091144), (7, 412207960), (8, 360681965), (10, 288545572), (14, 206103980), (20, 144272786), (28, 103051990), (35, 82441592), (40, 72136393), (56, 51525995), (70, 41220796), (140, 20610398), (280, 10305199), (2857, 1009960), (3607, 799960), (5714, 504980), (7214, 399980), (11428, 252490), (14285, 201992), (14428, 199990), (18035, 159992), (19999, 144280), (22856, 126245), (25249, 114280), (28570, 100996), (28856, 99995), (36070, 79996), (39998, 72140), (50498, 57140)]