79922900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{4057}}^1$

素因数の和:4268

約数の個数: 36

約数和(自身を含む): 174356028

約数和(自身を除く): 94433128

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4057, 4925, 8114, 9850, 16228, 19700, 20285, 40570, 81140, 101425, 202850, 405700, 799229, 1598458, 3196916, 3996145, 7992290, 15984580, 19980725, 39961450, 79922900]

約数ペア:

[(1, 79922900), (2, 39961450), (4, 19980725), (5, 15984580), (10, 7992290), (20, 3996145), (25, 3196916), (50, 1598458), (100, 799229), (197, 405700), (394, 202850), (788, 101425), (985, 81140), (1970, 40570), (3940, 20285), (4057, 19700), (4925, 16228), (8114, 9850)]