915400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 2232000

約数和(自身を除く): 1316600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 199, 200, 230, 398, 460, 575, 796, 920, 995, 1150, 1592, 1990, 2300, 3980, 4577, 4600, 4975, 7960, 9154, 9950, 18308, 19900, 22885, 36616, 39800, 45770, 91540, 114425, 183080, 228850, 457700, 915400]

約数ペア:

[(1, 915400), (2, 457700), (4, 228850), (5, 183080), (8, 114425), (10, 91540), (20, 45770), (23, 39800), (25, 36616), (40, 22885), (46, 19900), (50, 18308), (92, 9950), (100, 9154), (115, 7960), (184, 4975), (199, 4600), (200, 4577), (230, 3980), (398, 2300), (460, 1990), (575, 1592), (796, 1150), (920, 995)]