71083940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{661}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 157926720

約数和(自身を除く): 86842780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 380, 566, 661, 1132, 1322, 1415, 2644, 2830, 3305, 5377, 5660, 6610, 10754, 12559, 13220, 21508, 25118, 26885, 50236, 53770, 62795, 107540, 125590, 187063, 251180, 374126, 748252, 935315, 1870630, 3554197, 3741260, 7108394, 14216788, 17770985, 35541970, 71083940]

約数ペア:

[(1, 71083940), (2, 35541970), (4, 17770985), (5, 14216788), (10, 7108394), (19, 3741260), (20, 3554197), (38, 1870630), (76, 935315), (95, 748252), (190, 374126), (283, 251180), (380, 187063), (566, 125590), (661, 107540), (1132, 62795), (1322, 53770), (1415, 50236), (2644, 26885), (2830, 25118), (3305, 21508), (5377, 13220), (5660, 12559), (6610, 10754)]