205122290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{2437}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 389689920

約数和(自身を除く): 184567630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 443, 886, 2215, 2437, 4430, 4874, 8417, 12185, 16834, 24370, 42085, 46303, 84170, 92606, 231515, 463030, 1079591, 2159182, 5397955, 10795910, 20512229, 41024458, 102561145, 205122290]

約数ペア:

[(1, 205122290), (2, 102561145), (5, 41024458), (10, 20512229), (19, 10795910), (38, 5397955), (95, 2159182), (190, 1079591), (443, 463030), (886, 231515), (2215, 92606), (2437, 84170), (4430, 46303), (4874, 42085), (8417, 24370), (12185, 16834)]