1975890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^2$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 5476032

約数和(自身を除く): 3500142

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 970, 1358, 1455, 2037, 2910, 3395, 4074, 6790, 9409, 10185, 18818, 20370, 28227, 47045, 56454, 65863, 94090, 131726, 141135, 197589, 282270, 329315, 395178, 658630, 987945, 1975890]

約数ペア:

[(1, 1975890), (2, 987945), (3, 658630), (5, 395178), (6, 329315), (7, 282270), (10, 197589), (14, 141135), (15, 131726), (21, 94090), (30, 65863), (35, 56454), (42, 47045), (70, 28227), (97, 20370), (105, 18818), (194, 10185), (210, 9409), (291, 6790), (485, 4074), (582, 3395), (679, 2910), (970, 2037), (1358, 1455)]