77161400

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{1999}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 180420000

約数和(自身を除く): 103258600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 386, 772, 965, 1544, 1930, 1999, 3860, 3998, 4825, 7720, 7996, 9650, 9995, 15992, 19300, 19990, 38600, 39980, 49975, 79960, 99950, 199900, 385807, 399800, 771614, 1543228, 1929035, 3086456, 3858070, 7716140, 9645175, 15432280, 19290350, 38580700, 77161400]

約数ペア:

[(1, 77161400), (2, 38580700), (4, 19290350), (5, 15432280), (8, 9645175), (10, 7716140), (20, 3858070), (25, 3086456), (40, 1929035), (50, 1543228), (100, 771614), (193, 399800), (200, 385807), (386, 199900), (772, 99950), (965, 79960), (1544, 49975), (1930, 39980), (1999, 38600), (3860, 19990), (3998, 19300), (4825, 15992), (7720, 9995), (7996, 9650)]