72804580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{677}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 161743680

約数和(自身を除く): 88939100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 283, 380, 566, 677, 1132, 1354, 1415, 2708, 2830, 3385, 5377, 5660, 6770, 10754, 12863, 13540, 21508, 25726, 26885, 51452, 53770, 64315, 107540, 128630, 191591, 257260, 383182, 766364, 957955, 1915910, 3640229, 3831820, 7280458, 14560916, 18201145, 36402290, 72804580]

約数ペア:

[(1, 72804580), (2, 36402290), (4, 18201145), (5, 14560916), (10, 7280458), (19, 3831820), (20, 3640229), (38, 1915910), (76, 957955), (95, 766364), (190, 383182), (283, 257260), (380, 191591), (566, 128630), (677, 107540), (1132, 64315), (1354, 53770), (1415, 51452), (2708, 26885), (2830, 25726), (3385, 21508), (5377, 13540), (5660, 12863), (6770, 10754)]