157900720

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{14407}}^1$

素因数の和:14557

約数の個数: 40

約数和(自身を含む): 369824544

約数和(自身を除く): 211923824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 14407, 28814, 57628, 72035, 115256, 144070, 230512, 288140, 576280, 1152560, 1973759, 3947518, 7895036, 9868795, 15790072, 19737590, 31580144, 39475180, 78950360, 157900720]

約数ペア:

[(1, 157900720), (2, 78950360), (4, 39475180), (5, 31580144), (8, 19737590), (10, 15790072), (16, 9868795), (20, 7895036), (40, 3947518), (80, 1973759), (137, 1152560), (274, 576280), (548, 288140), (685, 230512), (1096, 144070), (1370, 115256), (2192, 72035), (2740, 57628), (5480, 28814), (10960, 14407)]