161693270

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{7853}}^1$

素因数の和:7960

約数の個数: 32

約数和(自身を含む): 305363520

約数和(自身を除く): 143670250

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 2059, 4118, 7853, 10295, 15706, 20590, 39265, 78530, 227737, 455474, 557563, 1115126, 1138685, 2277370, 2787815, 5575630, 16169327, 32338654, 80846635, 161693270]

約数ペア:

[(1, 161693270), (2, 80846635), (5, 32338654), (10, 16169327), (29, 5575630), (58, 2787815), (71, 2277370), (142, 1138685), (145, 1115126), (290, 557563), (355, 455474), (710, 227737), (2059, 78530), (4118, 39265), (7853, 20590), (10295, 15706)]