57212500

素因数分解:

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

素因数の和:251

約数の個数: 72

約数和(自身を含む): 131241600

約数和(自身を除く): 74029100

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 199, 230, 250, 398, 460, 500, 575, 625, 796, 995, 1150, 1250, 1990, 2300, 2500, 2875, 3125, 3980, 4577, 4975, 5750, 6250, 9154, 9950, 11500, 12500, 14375, 18308, 19900, 22885, 24875, 28750, 45770, 49750, 57500, 71875, 91540, 99500, 114425, 124375, 143750, 228850, 248750, 287500, 457700, 497500, 572125, 621875, 1144250, 1243750, 2288500, 2487500, 2860625, 5721250, 11442500, 14303125, 28606250, 57212500]

約数ペア:

[(1, 57212500), (2, 28606250), (4, 14303125), (5, 11442500), (10, 5721250), (20, 2860625), (23, 2487500), (25, 2288500), (46, 1243750), (50, 1144250), (92, 621875), (100, 572125), (115, 497500), (125, 457700), (199, 287500), (230, 248750), (250, 228850), (398, 143750), (460, 124375), (500, 114425), (575, 99500), (625, 91540), (796, 71875), (995, 57500), (1150, 49750), (1250, 45770), (1990, 28750), (2300, 24875), (2500, 22885), (2875, 19900), (3125, 18308), (3980, 14375), (4577, 12500), (4975, 11500), (5750, 9950), (6250, 9154)]