199922804920

素因数分解:

$2^3\times 5^1\times {\mathrm{88667}}^1\times {\mathrm{56369}}^1$

素因数の和:145047

約数の個数: 32

約数和(自身を含む): 449839364400

約数和(自身を除く): 249916559480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 56369, 88667, 112738, 177334, 225476, 281845, 354668, 443335, 450952, 563690, 709336, 886670, 1127380, 1773340, 2254760, 3546680, 4998070123, 9996140246, 19992280492, 24990350615, 39984560984, 49980701230, 99961402460, 199922804920]

約数ペア:

[(1, 199922804920), (2, 99961402460), (4, 49980701230), (5, 39984560984), (8, 24990350615), (10, 19992280492), (20, 9996140246), (40, 4998070123), (56369, 3546680), (88667, 2254760), (112738, 1773340), (177334, 1127380), (225476, 886670), (281845, 709336), (354668, 563690), (443335, 450952)]