180904130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{857}}^1$

素因数の和:995

約数の個数: 64

約数和(自身を含む): 378069120

約数和(自身を除く): 197164990

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 101, 110, 190, 202, 209, 418, 505, 857, 1010, 1045, 1111, 1714, 1919, 2090, 2222, 3838, 4285, 5555, 8570, 9427, 9595, 11110, 16283, 18854, 19190, 21109, 32566, 42218, 47135, 81415, 86557, 94270, 105545, 162830, 173114, 179113, 211090, 358226, 432785, 865570, 895565, 952127, 1644583, 1791130, 1904254, 3289166, 4760635, 8222915, 9521270, 16445830, 18090413, 36180826, 90452065, 180904130]

約数ペア:

[(1, 180904130), (2, 90452065), (5, 36180826), (10, 18090413), (11, 16445830), (19, 9521270), (22, 8222915), (38, 4760635), (55, 3289166), (95, 1904254), (101, 1791130), (110, 1644583), (190, 952127), (202, 895565), (209, 865570), (418, 432785), (505, 358226), (857, 211090), (1010, 179113), (1045, 173114), (1111, 162830), (1714, 105545), (1919, 94270), (2090, 86557), (2222, 81415), (3838, 47135), (4285, 42218), (5555, 32566), (8570, 21109), (9427, 19190), (9595, 18854), (11110, 16283)]