338384680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{823}}^1$

素因数の和:1394

約数の個数: 64

約数和(自身を含む): 803894400

約数和(自身を除く): 465509720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 541, 760, 823, 1082, 1646, 2164, 2705, 3292, 4115, 4328, 5410, 6584, 8230, 10279, 10820, 15637, 16460, 20558, 21640, 31274, 32920, 41116, 51395, 62548, 78185, 82232, 102790, 125096, 156370, 205580, 312740, 411160, 445243, 625480, 890486, 1780972, 2226215, 3561944, 4452430, 8459617, 8904860, 16919234, 17809720, 33838468, 42298085, 67676936, 84596170, 169192340, 338384680]

約数ペア:

[(1, 338384680), (2, 169192340), (4, 84596170), (5, 67676936), (8, 42298085), (10, 33838468), (19, 17809720), (20, 16919234), (38, 8904860), (40, 8459617), (76, 4452430), (95, 3561944), (152, 2226215), (190, 1780972), (380, 890486), (541, 625480), (760, 445243), (823, 411160), (1082, 312740), (1646, 205580), (2164, 156370), (2705, 125096), (3292, 102790), (4115, 82232), (4328, 78185), (5410, 62548), (6584, 51395), (8230, 41116), (10279, 32920), (10820, 31274), (15637, 21640), (16460, 20558)]