1380455545

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{7717}}^1$

素因数の和:8017

約数の個数: 32

約数和(自身を含む): 2000505600

約数和(自身を除く): 620050055

約数列:

[1, 5, 7, 19, 35, 95, 133, 269, 665, 1345, 1883, 5111, 7717, 9415, 25555, 35777, 38585, 54019, 146623, 178885, 270095, 733115, 1026361, 2075873, 5131805, 10379365, 14531111, 39441587, 72655555, 197207935, 276091109, 1380455545]

約数ペア:

[(1, 1380455545), (5, 276091109), (7, 197207935), (19, 72655555), (35, 39441587), (95, 14531111), (133, 10379365), (269, 5131805), (665, 2075873), (1345, 1026361), (1883, 733115), (5111, 270095), (7717, 178885), (9415, 146623), (25555, 54019), (35777, 38585)]