145090900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 331228800

約数和(自身を除く): 186137900

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 199, 230, 317, 398, 460, 575, 634, 796, 995, 1150, 1268, 1585, 1990, 2300, 3170, 3980, 4577, 4975, 6340, 7291, 7925, 9154, 9950, 14582, 15850, 18308, 19900, 22885, 29164, 31700, 36455, 45770, 63083, 72910, 91540, 114425, 126166, 145820, 182275, 228850, 252332, 315415, 364550, 457700, 630830, 729100, 1261660, 1450909, 1577075, 2901818, 3154150, 5803636, 6308300, 7254545, 14509090, 29018180, 36272725, 72545450, 145090900]

約数ペア:

[(1, 145090900), (2, 72545450), (4, 36272725), (5, 29018180), (10, 14509090), (20, 7254545), (23, 6308300), (25, 5803636), (46, 3154150), (50, 2901818), (92, 1577075), (100, 1450909), (115, 1261660), (199, 729100), (230, 630830), (317, 457700), (398, 364550), (460, 315415), (575, 252332), (634, 228850), (796, 182275), (995, 145820), (1150, 126166), (1268, 114425), (1585, 91540), (1990, 72910), (2300, 63083), (3170, 45770), (3980, 36455), (4577, 31700), (4975, 29164), (6340, 22885), (7291, 19900), (7925, 18308), (9154, 15850), (9950, 14582)]