499844980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{409709}}^1$

素因数の和:409779

約数の個数: 24

約数和(自身を含む): 1066884840

約数和(自身を除く): 567039860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 409709, 819418, 1638836, 2048545, 4097090, 8194180, 24992249, 49984498, 99968996, 124961245, 249922490, 499844980]

約数ペア:

[(1, 499844980), (2, 249922490), (4, 124961245), (5, 99968996), (10, 49984498), (20, 24992249), (61, 8194180), (122, 4097090), (244, 2048545), (305, 1638836), (610, 819418), (1220, 409709)]