221844260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{2297}}^1$

素因数の和:2756

約数の個数: 48

約数和(自身を含む): 509604480

約数和(自身を除く): 287760220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 439, 878, 1756, 2195, 2297, 4390, 4594, 4829, 8780, 9188, 9658, 11485, 19316, 22970, 24145, 25267, 45940, 48290, 50534, 96580, 101068, 126335, 252670, 505340, 1008383, 2016766, 4033532, 5041915, 10083830, 11092213, 20167660, 22184426, 44368852, 55461065, 110922130, 221844260]

約数ペア:

[(1, 221844260), (2, 110922130), (4, 55461065), (5, 44368852), (10, 22184426), (11, 20167660), (20, 11092213), (22, 10083830), (44, 5041915), (55, 4033532), (110, 2016766), (220, 1008383), (439, 505340), (878, 252670), (1756, 126335), (2195, 101068), (2297, 96580), (4390, 50534), (4594, 48290), (4829, 45940), (8780, 25267), (9188, 24145), (9658, 22970), (11485, 19316)]