28377400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 71424000

約数和(自身を除く): 43046600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 31, 40, 46, 50, 62, 92, 100, 115, 124, 155, 184, 199, 200, 230, 248, 310, 398, 460, 575, 620, 713, 775, 796, 920, 995, 1150, 1240, 1426, 1550, 1592, 1990, 2300, 2852, 3100, 3565, 3980, 4577, 4600, 4975, 5704, 6169, 6200, 7130, 7960, 9154, 9950, 12338, 14260, 17825, 18308, 19900, 22885, 24676, 28520, 30845, 35650, 36616, 39800, 45770, 49352, 61690, 71300, 91540, 114425, 123380, 141887, 142600, 154225, 183080, 228850, 246760, 283774, 308450, 457700, 567548, 616900, 709435, 915400, 1135096, 1233800, 1418870, 2837740, 3547175, 5675480, 7094350, 14188700, 28377400]

約数ペア:

[(1, 28377400), (2, 14188700), (4, 7094350), (5, 5675480), (8, 3547175), (10, 2837740), (20, 1418870), (23, 1233800), (25, 1135096), (31, 915400), (40, 709435), (46, 616900), (50, 567548), (62, 457700), (92, 308450), (100, 283774), (115, 246760), (124, 228850), (155, 183080), (184, 154225), (199, 142600), (200, 141887), (230, 123380), (248, 114425), (310, 91540), (398, 71300), (460, 61690), (575, 49352), (620, 45770), (713, 39800), (775, 36616), (796, 35650), (920, 30845), (995, 28520), (1150, 24676), (1240, 22885), (1426, 19900), (1550, 18308), (1592, 17825), (1990, 14260), (2300, 12338), (2852, 9950), (3100, 9154), (3565, 7960), (3980, 7130), (4577, 6200), (4600, 6169), (4975, 5704)]