199998840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1666657}}^1$

素因数の和:1666671

約数の個数: 32

約数和(自身を含む): 599996880

約数和(自身を除く): 399998040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1666657, 3333314, 4999971, 6666628, 8333285, 9999942, 13333256, 16666570, 19999884, 24999855, 33333140, 39999768, 49999710, 66666280, 99999420, 199998840]

約数ペア:

[(1, 199998840), (2, 99999420), (3, 66666280), (4, 49999710), (5, 39999768), (6, 33333140), (8, 24999855), (10, 19999884), (12, 16666570), (15, 13333256), (20, 9999942), (24, 8333285), (30, 6666628), (40, 4999971), (60, 3333314), (120, 1666657)]