220100408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131639}}^1$

素因数の和:131675

約数の個数: 32

約数和(自身を含む): 473904000

約数和(自身を除く): 253803592

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 131639, 263278, 526556, 1053112, 1448029, 2501141, 2896058, 5002282, 5792116, 10004564, 11584232, 20009128, 27512551, 55025102, 110050204, 220100408]

約数ペア:

[(1, 220100408), (2, 110050204), (4, 55025102), (8, 27512551), (11, 20009128), (19, 11584232), (22, 10004564), (38, 5792116), (44, 5002282), (76, 2896058), (88, 2501141), (152, 1448029), (209, 1053112), (418, 526556), (836, 263278), (1672, 131639)]