269138840

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{13219}}^1$

素因数の和:13739

約数の個数: 32

約数和(自身を含む): 606798000

約数和(自身を除く): 337659160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 13219, 20360, 26438, 52876, 66095, 105752, 132190, 264380, 528760, 6728471, 13456942, 26913884, 33642355, 53827768, 67284710, 134569420, 269138840]

約数ペア:

[(1, 269138840), (2, 134569420), (4, 67284710), (5, 53827768), (8, 33642355), (10, 26913884), (20, 13456942), (40, 6728471), (509, 528760), (1018, 264380), (2036, 132190), (2545, 105752), (4072, 66095), (5090, 52876), (10180, 26438), (13219, 20360)]