252281480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 655361280

約数和(自身を除く): 403079800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 97, 110, 115, 184, 194, 220, 230, 253, 257, 388, 440, 460, 485, 506, 514, 776, 920, 970, 1012, 1028, 1067, 1265, 1285, 1940, 2024, 2056, 2134, 2231, 2530, 2570, 2827, 3880, 4268, 4462, 5060, 5140, 5335, 5654, 5911, 8536, 8924, 10120, 10280, 10670, 11155, 11308, 11822, 14135, 17848, 21340, 22310, 22616, 23644, 24541, 24929, 28270, 29555, 42680, 44620, 47288, 49082, 49858, 56540, 59110, 65021, 89240, 98164, 99716, 113080, 118220, 122705, 124645, 130042, 196328, 199432, 236440, 245410, 249290, 260084, 274219, 325105, 490820, 498580, 520168, 548438, 573367, 650210, 981640, 997160, 1096876, 1146734, 1300420, 1371095, 2193752, 2293468, 2600840, 2742190, 2866835, 4586936, 5484380, 5733670, 6307037, 10968760, 11467340, 12614074, 22934680, 25228148, 31535185, 50456296, 63070370, 126140740, 252281480]

約数ペア:

[(1, 252281480), (2, 126140740), (4, 63070370), (5, 50456296), (8, 31535185), (10, 25228148), (11, 22934680), (20, 12614074), (22, 11467340), (23, 10968760), (40, 6307037), (44, 5733670), (46, 5484380), (55, 4586936), (88, 2866835), (92, 2742190), (97, 2600840), (110, 2293468), (115, 2193752), (184, 1371095), (194, 1300420), (220, 1146734), (230, 1096876), (253, 997160), (257, 981640), (388, 650210), (440, 573367), (460, 548438), (485, 520168), (506, 498580), (514, 490820), (776, 325105), (920, 274219), (970, 260084), (1012, 249290), (1028, 245410), (1067, 236440), (1265, 199432), (1285, 196328), (1940, 130042), (2024, 124645), (2056, 122705), (2134, 118220), (2231, 113080), (2530, 99716), (2570, 98164), (2827, 89240), (3880, 65021), (4268, 59110), (4462, 56540), (5060, 49858), (5140, 49082), (5335, 47288), (5654, 44620), (5911, 42680), (8536, 29555), (8924, 28270), (10120, 24929), (10280, 24541), (10670, 23644), (11155, 22616), (11308, 22310), (11822, 21340), (14135, 17848)]