499712980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{14029}}^1$

素因数の和:14188

約数の個数: 48

約数和(自身を含む): 1138450320

約数和(自身を除く): 638737340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 14029, 17810, 28058, 35620, 56116, 70145, 140290, 182377, 280580, 364754, 729508, 911885, 1823770, 1921973, 3647540, 3843946, 7687892, 9609865, 19219730, 24985649, 38439460, 49971298, 99942596, 124928245, 249856490, 499712980]

約数ペア:

[(1, 499712980), (2, 249856490), (4, 124928245), (5, 99942596), (10, 49971298), (13, 38439460), (20, 24985649), (26, 19219730), (52, 9609865), (65, 7687892), (130, 3843946), (137, 3647540), (260, 1921973), (274, 1823770), (548, 911885), (685, 729508), (1370, 364754), (1781, 280580), (2740, 182377), (3562, 140290), (7124, 70145), (8905, 56116), (14029, 35620), (17810, 28058)]