163315431380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1\times {\mathrm{217169}}^1$

素因数の和:219176

約数の個数: 48

約数和(自身を含む): 361197144000

約数和(自身を除く): 197881712620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1979, 3958, 7916, 9895, 19790, 37601, 39580, 75202, 150404, 188005, 217169, 376010, 434338, 752020, 868676, 1085845, 2171690, 4126211, 4343380, 8252422, 16504844, 20631055, 41262110, 82524220, 429777451, 859554902, 1719109804, 2148887255, 4297774510, 8165771569, 8595549020, 16331543138, 32663086276, 40828857845, 81657715690, 163315431380]

約数ペア:

[(1, 163315431380), (2, 81657715690), (4, 40828857845), (5, 32663086276), (10, 16331543138), (19, 8595549020), (20, 8165771569), (38, 4297774510), (76, 2148887255), (95, 1719109804), (190, 859554902), (380, 429777451), (1979, 82524220), (3958, 41262110), (7916, 20631055), (9895, 16504844), (19790, 8252422), (37601, 4343380), (39580, 4126211), (75202, 2171690), (150404, 1085845), (188005, 868676), (217169, 752020), (376010, 434338)]