280236202180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1171}}^1\times {\mathrm{1087789}}^1$

素因数の和:1088980

約数の個数: 48

約数和(自身を含む): 642544499520

約数和(自身を除く): 362308297340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1171, 2342, 4684, 5855, 11710, 12881, 23420, 25762, 51524, 64405, 128810, 257620, 1087789, 2175578, 4351156, 5438945, 10877890, 11965679, 21755780, 23931358, 47862716, 59828395, 119656790, 239313580, 1273800919, 2547601838, 5095203676, 6369004595, 12738009190, 14011810109, 25476018380, 28023620218, 56047240436, 70059050545, 140118101090, 280236202180]

約数ペア:

[(1, 280236202180), (2, 140118101090), (4, 70059050545), (5, 56047240436), (10, 28023620218), (11, 25476018380), (20, 14011810109), (22, 12738009190), (44, 6369004595), (55, 5095203676), (110, 2547601838), (220, 1273800919), (1171, 239313580), (2342, 119656790), (4684, 59828395), (5855, 47862716), (11710, 23931358), (12881, 21755780), (23420, 11965679), (25762, 10877890), (51524, 5438945), (64405, 4351156), (128810, 2175578), (257620, 1087789)]