289385800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:887

約数の個数: 96

約数和(自身を含む): 738792000

約数和(自身を除く): 449406200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 199, 200, 220, 275, 398, 440, 550, 661, 796, 995, 1100, 1322, 1592, 1990, 2189, 2200, 2644, 3305, 3980, 4378, 4975, 5288, 6610, 7271, 7960, 8756, 9950, 10945, 13220, 14542, 16525, 17512, 19900, 21890, 26440, 29084, 33050, 36355, 39800, 43780, 54725, 58168, 66100, 72710, 87560, 109450, 131539, 132200, 145420, 181775, 218900, 263078, 290840, 363550, 437800, 526156, 657695, 727100, 1052312, 1315390, 1446929, 1454200, 2630780, 2893858, 3288475, 5261560, 5787716, 6576950, 7234645, 11575432, 13153900, 14469290, 26307800, 28938580, 36173225, 57877160, 72346450, 144692900, 289385800]

約数ペア:

[(1, 289385800), (2, 144692900), (4, 72346450), (5, 57877160), (8, 36173225), (10, 28938580), (11, 26307800), (20, 14469290), (22, 13153900), (25, 11575432), (40, 7234645), (44, 6576950), (50, 5787716), (55, 5261560), (88, 3288475), (100, 2893858), (110, 2630780), (199, 1454200), (200, 1446929), (220, 1315390), (275, 1052312), (398, 727100), (440, 657695), (550, 526156), (661, 437800), (796, 363550), (995, 290840), (1100, 263078), (1322, 218900), (1592, 181775), (1990, 145420), (2189, 132200), (2200, 131539), (2644, 109450), (3305, 87560), (3980, 72710), (4378, 66100), (4975, 58168), (5288, 54725), (6610, 43780), (7271, 39800), (7960, 36355), (8756, 33050), (9950, 29084), (10945, 26440), (13220, 21890), (14542, 19900), (16525, 17512)]