228850000

素因数分解:

$2^4\times 5^5\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 581212800

約数和(自身を除く): 352362800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 199, 200, 230, 250, 368, 398, 400, 460, 500, 575, 625, 796, 920, 995, 1000, 1150, 1250, 1592, 1840, 1990, 2000, 2300, 2500, 2875, 3125, 3184, 3980, 4577, 4600, 4975, 5000, 5750, 6250, 7960, 9154, 9200, 9950, 10000, 11500, 12500, 14375, 15920, 18308, 19900, 22885, 23000, 24875, 25000, 28750, 36616, 39800, 45770, 46000, 49750, 50000, 57500, 71875, 73232, 79600, 91540, 99500, 114425, 115000, 124375, 143750, 183080, 199000, 228850, 230000, 248750, 287500, 366160, 398000, 457700, 497500, 572125, 575000, 621875, 915400, 995000, 1144250, 1150000, 1243750, 1830800, 1990000, 2288500, 2487500, 2860625, 4577000, 4975000, 5721250, 9154000, 9950000, 11442500, 14303125, 22885000, 28606250, 45770000, 57212500, 114425000, 228850000]

約数ペア:

[(1, 228850000), (2, 114425000), (4, 57212500), (5, 45770000), (8, 28606250), (10, 22885000), (16, 14303125), (20, 11442500), (23, 9950000), (25, 9154000), (40, 5721250), (46, 4975000), (50, 4577000), (80, 2860625), (92, 2487500), (100, 2288500), (115, 1990000), (125, 1830800), (184, 1243750), (199, 1150000), (200, 1144250), (230, 995000), (250, 915400), (368, 621875), (398, 575000), (400, 572125), (460, 497500), (500, 457700), (575, 398000), (625, 366160), (796, 287500), (920, 248750), (995, 230000), (1000, 228850), (1150, 199000), (1250, 183080), (1592, 143750), (1840, 124375), (1990, 115000), (2000, 114425), (2300, 99500), (2500, 91540), (2875, 79600), (3125, 73232), (3184, 71875), (3980, 57500), (4577, 50000), (4600, 49750), (4975, 46000), (5000, 45770), (5750, 39800), (6250, 36616), (7960, 28750), (9154, 25000), (9200, 24875), (9950, 23000), (10000, 22885), (11500, 19900), (12500, 18308), (14375, 15920)]