770551480

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{17657}}^1$

素因数の和:18759

約数の個数: 32

約数和(自身を含む): 1735428240

約数和(自身を除く): 964876760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 5455, 8728, 10910, 17657, 21820, 35314, 43640, 70628, 88285, 141256, 176570, 353140, 706280, 19263787, 38527574, 77055148, 96318935, 154110296, 192637870, 385275740, 770551480]

約数ペア:

[(1, 770551480), (2, 385275740), (4, 192637870), (5, 154110296), (8, 96318935), (10, 77055148), (20, 38527574), (40, 19263787), (1091, 706280), (2182, 353140), (4364, 176570), (5455, 141256), (8728, 88285), (10910, 70628), (17657, 43640), (21820, 35314)]