280808416

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 682577280

約数和(自身を除く): 401768864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 53, 56, 62, 98, 106, 109, 112, 124, 196, 212, 217, 218, 224, 248, 371, 392, 424, 434, 436, 496, 742, 763, 784, 848, 868, 872, 992, 1484, 1519, 1526, 1568, 1643, 1696, 1736, 1744, 2597, 2968, 3038, 3052, 3286, 3379, 3472, 3488, 5194, 5341, 5777, 5936, 6076, 6104, 6572, 6758, 6944, 10388, 10682, 11501, 11554, 11872, 12152, 12208, 13144, 13516, 20776, 21364, 23002, 23108, 23653, 24304, 24416, 26288, 27032, 40439, 41552, 42728, 46004, 46216, 47306, 48608, 52576, 54064, 80507, 80878, 83104, 85456, 92008, 92432, 94612, 108128, 161014, 161756, 165571, 170912, 179087, 184016, 184864, 189224, 283073, 322028, 323512, 331142, 358174, 368032, 378448, 566146, 644056, 647024, 662284, 716348, 756896, 1132292, 1253609, 1288112, 1294048, 1324568, 1432696, 2264584, 2507218, 2576224, 2649136, 2865392, 4529168, 5014436, 5298272, 5730784, 8775263, 9058336, 10028872, 17550526, 20057744, 35101052, 40115488, 70202104, 140404208, 280808416]

約数ペア:

[(1, 280808416), (2, 140404208), (4, 70202104), (7, 40115488), (8, 35101052), (14, 20057744), (16, 17550526), (28, 10028872), (31, 9058336), (32, 8775263), (49, 5730784), (53, 5298272), (56, 5014436), (62, 4529168), (98, 2865392), (106, 2649136), (109, 2576224), (112, 2507218), (124, 2264584), (196, 1432696), (212, 1324568), (217, 1294048), (218, 1288112), (224, 1253609), (248, 1132292), (371, 756896), (392, 716348), (424, 662284), (434, 647024), (436, 644056), (496, 566146), (742, 378448), (763, 368032), (784, 358174), (848, 331142), (868, 323512), (872, 322028), (992, 283073), (1484, 189224), (1519, 184864), (1526, 184016), (1568, 179087), (1643, 170912), (1696, 165571), (1736, 161756), (1744, 161014), (2597, 108128), (2968, 94612), (3038, 92432), (3052, 92008), (3286, 85456), (3379, 83104), (3472, 80878), (3488, 80507), (5194, 54064), (5341, 52576), (5777, 48608), (5936, 47306), (6076, 46216), (6104, 46004), (6572, 42728), (6758, 41552), (6944, 40439), (10388, 27032), (10682, 26288), (11501, 24416), (11554, 24304), (11872, 23653), (12152, 23108), (12208, 23002), (13144, 21364), (13516, 20776)]