395855120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 1004757120

約数和(自身を除く): 608902000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 271, 304, 310, 380, 496, 542, 589, 620, 760, 961, 1084, 1178, 1240, 1355, 1520, 1922, 2168, 2356, 2480, 2710, 2945, 3844, 4336, 4712, 4805, 5149, 5420, 5890, 7688, 8401, 9424, 9610, 10298, 10840, 11780, 15376, 16802, 18259, 19220, 20596, 21680, 23560, 25745, 33604, 36518, 38440, 41192, 42005, 47120, 51490, 67208, 73036, 76880, 82384, 84010, 91295, 102980, 134416, 146072, 159619, 168020, 182590, 205960, 260431, 292144, 319238, 336040, 365180, 411920, 520862, 638476, 672080, 730360, 798095, 1041724, 1276952, 1302155, 1460720, 1596190, 2083448, 2553904, 2604310, 3192380, 4166896, 4948189, 5208620, 6384760, 9896378, 10417240, 12769520, 19792756, 20834480, 24740945, 39585512, 49481890, 79171024, 98963780, 197927560, 395855120]

約数ペア:

[(1, 395855120), (2, 197927560), (4, 98963780), (5, 79171024), (8, 49481890), (10, 39585512), (16, 24740945), (19, 20834480), (20, 19792756), (31, 12769520), (38, 10417240), (40, 9896378), (62, 6384760), (76, 5208620), (80, 4948189), (95, 4166896), (124, 3192380), (152, 2604310), (155, 2553904), (190, 2083448), (248, 1596190), (271, 1460720), (304, 1302155), (310, 1276952), (380, 1041724), (496, 798095), (542, 730360), (589, 672080), (620, 638476), (760, 520862), (961, 411920), (1084, 365180), (1178, 336040), (1240, 319238), (1355, 292144), (1520, 260431), (1922, 205960), (2168, 182590), (2356, 168020), (2480, 159619), (2710, 146072), (2945, 134416), (3844, 102980), (4336, 91295), (4712, 84010), (4805, 82384), (5149, 76880), (5420, 73036), (5890, 67208), (7688, 51490), (8401, 47120), (9424, 42005), (9610, 41192), (10298, 38440), (10840, 36518), (11780, 33604), (15376, 25745), (16802, 23560), (18259, 21680), (19220, 20596)]