2019260925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{89}}^2\times {\mathrm{103}}^1$

素因数の和:308

約数の個数: 108

約数和(自身を含む): 4029084384

約数和(自身を除く): 2009823459

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 89, 99, 103, 165, 225, 267, 275, 309, 445, 495, 515, 801, 825, 927, 979, 1133, 1335, 1545, 2225, 2475, 2575, 2937, 3399, 4005, 4635, 4895, 5665, 6675, 7725, 7921, 8811, 9167, 10197, 14685, 16995, 20025, 23175, 23763, 24475, 27501, 28325, 39605, 44055, 45835, 50985, 71289, 73425, 82503, 84975, 87131, 100837, 118815, 137505, 198025, 220275, 229175, 254925, 261393, 302511, 356445, 412515, 435655, 504185, 594075, 687525, 784179, 815863, 907533, 1306965, 1512555, 1782225, 2062575, 2178275, 2447589, 2520925, 3920895, 4079315, 4537665, 6534825, 7342767, 7562775, 8974493, 12237945, 19604475, 20396575, 22688325, 26923479, 36713835, 44872465, 61189725, 80770437, 134617395, 183569175, 224362325, 403852185, 673086975, 2019260925]

約数ペア:

[(1, 2019260925), (3, 673086975), (5, 403852185), (9, 224362325), (11, 183569175), (15, 134617395), (25, 80770437), (33, 61189725), (45, 44872465), (55, 36713835), (75, 26923479), (89, 22688325), (99, 20396575), (103, 19604475), (165, 12237945), (225, 8974493), (267, 7562775), (275, 7342767), (309, 6534825), (445, 4537665), (495, 4079315), (515, 3920895), (801, 2520925), (825, 2447589), (927, 2178275), (979, 2062575), (1133, 1782225), (1335, 1512555), (1545, 1306965), (2225, 907533), (2475, 815863), (2575, 784179), (2937, 687525), (3399, 594075), (4005, 504185), (4635, 435655), (4895, 412515), (5665, 356445), (6675, 302511), (7725, 261393), (7921, 254925), (8811, 229175), (9167, 220275), (10197, 198025), (14685, 137505), (16995, 118815), (20025, 100837), (23175, 87131), (23763, 84975), (24475, 82503), (27501, 73425), (28325, 71289), (39605, 50985), (44055, 45835)]