199117980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{368737}}^1$

素因数の和:368755

約数の個数: 48

約数和(自身を含む): 619479840

約数和(自身を除く): 420361860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 368737, 737474, 1106211, 1474948, 1843685, 2212422, 3318633, 3687370, 4424844, 5531055, 6637266, 7374740, 9955899, 11062110, 13274532, 16593165, 19911798, 22124220, 33186330, 39823596, 49779495, 66372660, 99558990, 199117980]

約数ペア:

[(1, 199117980), (2, 99558990), (3, 66372660), (4, 49779495), (5, 39823596), (6, 33186330), (9, 22124220), (10, 19911798), (12, 16593165), (15, 13274532), (18, 11062110), (20, 9955899), (27, 7374740), (30, 6637266), (36, 5531055), (45, 4424844), (54, 3687370), (60, 3318633), (90, 2212422), (108, 1843685), (135, 1474948), (180, 1106211), (270, 737474), (540, 368737)]