287638260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:550

約数の個数: 192

約数和(自身を含む): 1001011200

約数和(自身を除く): 713372940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 139, 140, 156, 182, 195, 210, 260, 273, 278, 364, 379, 390, 417, 420, 455, 546, 556, 695, 758, 780, 834, 910, 973, 1092, 1137, 1365, 1390, 1516, 1668, 1807, 1820, 1895, 1946, 2085, 2274, 2653, 2730, 2780, 2919, 3614, 3790, 3892, 4170, 4548, 4865, 4927, 5306, 5421, 5460, 5685, 5838, 7228, 7580, 7959, 8340, 9035, 9730, 9854, 10612, 10842, 11370, 11676, 12649, 13265, 14595, 14781, 15918, 18070, 19460, 19708, 21684, 22740, 24635, 25298, 26530, 27105, 29190, 29562, 31836, 34489, 36140, 37947, 39795, 49270, 50596, 52681, 53060, 54210, 58380, 59124, 63245, 68978, 73905, 75894, 79590, 98540, 103467, 105362, 108420, 126490, 137956, 147810, 151788, 158043, 159180, 172445, 189735, 206934, 210724, 252980, 263405, 295620, 316086, 344890, 368767, 379470, 413868, 517335, 526810, 632172, 684853, 689780, 737534, 758940, 790215, 1034670, 1053620, 1106301, 1369706, 1475068, 1580430, 1843835, 2054559, 2069340, 2212602, 2739412, 3160860, 3424265, 3687670, 4109118, 4425204, 4793971, 5531505, 6848530, 7375340, 8218236, 9587942, 10272795, 11063010, 13697060, 14381913, 19175884, 20545590, 22126020, 23969855, 28763826, 41091180, 47939710, 57527652, 71909565, 95879420, 143819130, 287638260]

約数ペア:

[(1, 287638260), (2, 143819130), (3, 95879420), (4, 71909565), (5, 57527652), (6, 47939710), (7, 41091180), (10, 28763826), (12, 23969855), (13, 22126020), (14, 20545590), (15, 19175884), (20, 14381913), (21, 13697060), (26, 11063010), (28, 10272795), (30, 9587942), (35, 8218236), (39, 7375340), (42, 6848530), (52, 5531505), (60, 4793971), (65, 4425204), (70, 4109118), (78, 3687670), (84, 3424265), (91, 3160860), (105, 2739412), (130, 2212602), (139, 2069340), (140, 2054559), (156, 1843835), (182, 1580430), (195, 1475068), (210, 1369706), (260, 1106301), (273, 1053620), (278, 1034670), (364, 790215), (379, 758940), (390, 737534), (417, 689780), (420, 684853), (455, 632172), (546, 526810), (556, 517335), (695, 413868), (758, 379470), (780, 368767), (834, 344890), (910, 316086), (973, 295620), (1092, 263405), (1137, 252980), (1365, 210724), (1390, 206934), (1516, 189735), (1668, 172445), (1807, 159180), (1820, 158043), (1895, 151788), (1946, 147810), (2085, 137956), (2274, 126490), (2653, 108420), (2730, 105362), (2780, 103467), (2919, 98540), (3614, 79590), (3790, 75894), (3892, 73905), (4170, 68978), (4548, 63245), (4865, 59124), (4927, 58380), (5306, 54210), (5421, 53060), (5460, 52681), (5685, 50596), (5838, 49270), (7228, 39795), (7580, 37947), (7959, 36140), (8340, 34489), (9035, 31836), (9730, 29562), (9854, 29190), (10612, 27105), (10842, 26530), (11370, 25298), (11676, 24635), (12649, 22740), (13265, 21684), (14595, 19708), (14781, 19460), (15918, 18070)]