398428740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23801}}^1$

素因数の和:23850

約数の個数: 96

約数和(自身を含む): 1279595520

約数和(自身を除く): 881166780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1860, 2790, 3348, 4185, 5580, 8370, 16740, 23801, 47602, 71403, 95204, 119005, 142806, 214209, 238010, 285612, 357015, 428418, 476020, 642627, 714030, 737831, 856836, 1071045, 1285254, 1428060, 1475662, 2142090, 2213493, 2570508, 2951324, 3213135, 3689155, 4284180, 4426986, 6426270, 6640479, 7378310, 8853972, 11067465, 12852540, 13280958, 14756620, 19921437, 22134930, 26561916, 33202395, 39842874, 44269860, 66404790, 79685748, 99607185, 132809580, 199214370, 398428740]

約数ペア:

[(1, 398428740), (2, 199214370), (3, 132809580), (4, 99607185), (5, 79685748), (6, 66404790), (9, 44269860), (10, 39842874), (12, 33202395), (15, 26561916), (18, 22134930), (20, 19921437), (27, 14756620), (30, 13280958), (31, 12852540), (36, 11067465), (45, 8853972), (54, 7378310), (60, 6640479), (62, 6426270), (90, 4426986), (93, 4284180), (108, 3689155), (124, 3213135), (135, 2951324), (155, 2570508), (180, 2213493), (186, 2142090), (270, 1475662), (279, 1428060), (310, 1285254), (372, 1071045), (465, 856836), (540, 737831), (558, 714030), (620, 642627), (837, 476020), (930, 428418), (1116, 357015), (1395, 285612), (1674, 238010), (1860, 214209), (2790, 142806), (3348, 119005), (4185, 95204), (5580, 71403), (8370, 47602), (16740, 23801)]