208035275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 323148960

約数和(自身を除く): 115113685

約数列:

[1, 5, 7, 19, 25, 35, 37, 89, 95, 133, 175, 185, 259, 361, 445, 475, 623, 665, 703, 925, 1295, 1691, 1805, 2225, 2527, 3115, 3293, 3325, 3515, 4921, 6475, 8455, 9025, 11837, 12635, 13357, 15575, 16465, 17575, 23051, 24605, 32129, 42275, 59185, 62567, 63175, 66785, 82325, 93499, 115255, 123025, 160645, 224903, 295925, 312835, 333925, 437969, 467495, 576275, 803225, 1124515, 1188773, 1564175, 2189845, 2337475, 5622575, 5943865, 8321411, 10949225, 29719325, 41607055, 208035275]

約数ペア:

[(1, 208035275), (5, 41607055), (7, 29719325), (19, 10949225), (25, 8321411), (35, 5943865), (37, 5622575), (89, 2337475), (95, 2189845), (133, 1564175), (175, 1188773), (185, 1124515), (259, 803225), (361, 576275), (445, 467495), (475, 437969), (623, 333925), (665, 312835), (703, 295925), (925, 224903), (1295, 160645), (1691, 123025), (1805, 115255), (2225, 93499), (2527, 82325), (3115, 66785), (3293, 63175), (3325, 62567), (3515, 59185), (4921, 42275), (6475, 32129), (8455, 24605), (9025, 23051), (11837, 17575), (12635, 16465), (13357, 15575)]