208077240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{247711}}^1$

素因数の和:247732

約数の個数: 64

約数和(自身を含む): 713410560

約数和(自身を除く): 505333320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 247711, 495422, 743133, 990844, 1238555, 1486266, 1733977, 1981688, 2477110, 2972532, 3467954, 3715665, 4954220, 5201931, 5945064, 6935908, 7431330, 8669885, 9908440, 10403862, 13871816, 14862660, 17339770, 20807724, 26009655, 29725320, 34679540, 41615448, 52019310, 69359080, 104038620, 208077240]

約数ペア:

[(1, 208077240), (2, 104038620), (3, 69359080), (4, 52019310), (5, 41615448), (6, 34679540), (7, 29725320), (8, 26009655), (10, 20807724), (12, 17339770), (14, 14862660), (15, 13871816), (20, 10403862), (21, 9908440), (24, 8669885), (28, 7431330), (30, 6935908), (35, 5945064), (40, 5201931), (42, 4954220), (56, 3715665), (60, 3467954), (70, 2972532), (84, 2477110), (105, 1981688), (120, 1733977), (140, 1486266), (168, 1238555), (210, 990844), (280, 743133), (420, 495422), (840, 247711)]