1019271820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7280513}}^1$

素因数の和:7280529

約数の個数: 24

約数和(自身を含む): 2446252704

約数和(自身を除く): 1426980884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7280513, 14561026, 29122052, 36402565, 50963591, 72805130, 101927182, 145610260, 203854364, 254817955, 509635910, 1019271820]

約数ペア:

[(1, 1019271820), (2, 509635910), (4, 254817955), (5, 203854364), (7, 145610260), (10, 101927182), (14, 72805130), (20, 50963591), (28, 36402565), (35, 29122052), (70, 14561026), (140, 7280513)]