311489090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{2027}}^1$

素因数の和:2183

約数の個数: 48

約数和(自身を含む): 621444096

約数和(自身を除く): 309955006

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 127, 242, 254, 605, 635, 1210, 1270, 1397, 2027, 2794, 4054, 6985, 10135, 13970, 15367, 20270, 22297, 30734, 44594, 76835, 111485, 153670, 222970, 245267, 257429, 490534, 514858, 1226335, 1287145, 2452670, 2574290, 2831719, 5663438, 14158595, 28317190, 31148909, 62297818, 155744545, 311489090]

約数ペア:

[(1, 311489090), (2, 155744545), (5, 62297818), (10, 31148909), (11, 28317190), (22, 14158595), (55, 5663438), (110, 2831719), (121, 2574290), (127, 2452670), (242, 1287145), (254, 1226335), (605, 514858), (635, 490534), (1210, 257429), (1270, 245267), (1397, 222970), (2027, 153670), (2794, 111485), (4054, 76835), (6985, 44594), (10135, 30734), (13970, 22297), (15367, 20270)]