208909930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{4919}}^1$

素因数の和:5094

約数の個数: 32

約数和(自身を含む): 391080960

約数和(自身を除く): 182171030

約数列:

[1, 2, 5, 10, 31, 62, 137, 155, 274, 310, 685, 1370, 4247, 4919, 8494, 9838, 21235, 24595, 42470, 49190, 152489, 304978, 673903, 762445, 1347806, 1524890, 3369515, 6739030, 20890993, 41781986, 104454965, 208909930]

約数ペア:

[(1, 208909930), (2, 104454965), (5, 41781986), (10, 20890993), (31, 6739030), (62, 3369515), (137, 1524890), (155, 1347806), (274, 762445), (310, 673903), (685, 304978), (1370, 152489), (4247, 49190), (4919, 42470), (8494, 24595), (9838, 21235)]