257456250

素因数分解:

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

素因数の和:255

約数の個数: 144

約数和(自身を含む): 731203200

約数和(自身を除く): 473746950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 30, 45, 46, 50, 69, 75, 90, 115, 125, 138, 150, 199, 207, 225, 230, 250, 345, 375, 398, 414, 450, 575, 597, 625, 690, 750, 995, 1035, 1125, 1150, 1194, 1250, 1725, 1791, 1875, 1990, 2070, 2250, 2875, 2985, 3125, 3450, 3582, 3750, 4577, 4975, 5175, 5625, 5750, 5970, 6250, 8625, 8955, 9154, 9375, 9950, 10350, 11250, 13731, 14375, 14925, 17250, 17910, 18750, 22885, 24875, 25875, 27462, 28125, 28750, 29850, 41193, 43125, 44775, 45770, 49750, 51750, 56250, 68655, 71875, 74625, 82386, 86250, 89550, 114425, 124375, 129375, 137310, 143750, 149250, 205965, 215625, 223875, 228850, 248750, 258750, 343275, 373125, 411930, 431250, 447750, 572125, 621875, 646875, 686550, 746250, 1029825, 1119375, 1144250, 1243750, 1293750, 1716375, 1865625, 2059650, 2238750, 2860625, 3432750, 3731250, 5149125, 5596875, 5721250, 8581875, 10298250, 11193750, 14303125, 17163750, 25745625, 28606250, 42909375, 51491250, 85818750, 128728125, 257456250]

約数ペア:

[(1, 257456250), (2, 128728125), (3, 85818750), (5, 51491250), (6, 42909375), (9, 28606250), (10, 25745625), (15, 17163750), (18, 14303125), (23, 11193750), (25, 10298250), (30, 8581875), (45, 5721250), (46, 5596875), (50, 5149125), (69, 3731250), (75, 3432750), (90, 2860625), (115, 2238750), (125, 2059650), (138, 1865625), (150, 1716375), (199, 1293750), (207, 1243750), (225, 1144250), (230, 1119375), (250, 1029825), (345, 746250), (375, 686550), (398, 646875), (414, 621875), (450, 572125), (575, 447750), (597, 431250), (625, 411930), (690, 373125), (750, 343275), (995, 258750), (1035, 248750), (1125, 228850), (1150, 223875), (1194, 215625), (1250, 205965), (1725, 149250), (1791, 143750), (1875, 137310), (1990, 129375), (2070, 124375), (2250, 114425), (2875, 89550), (2985, 86250), (3125, 82386), (3450, 74625), (3582, 71875), (3750, 68655), (4577, 56250), (4975, 51750), (5175, 49750), (5625, 45770), (5750, 44775), (5970, 43125), (6250, 41193), (8625, 29850), (8955, 28750), (9154, 28125), (9375, 27462), (9950, 25875), (10350, 24875), (11250, 22885), (13731, 18750), (14375, 17910), (14925, 17250)]