490888448

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{317}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 1029587328

約数和(自身を除く): 538698880

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 263, 317, 368, 526, 634, 736, 1052, 1268, 1472, 2104, 2536, 2944, 4208, 5072, 5888, 6049, 7291, 8416, 10144, 12098, 14582, 16832, 20288, 24196, 29164, 33664, 40576, 48392, 58328, 67328, 81152, 83371, 96784, 116656, 166742, 193568, 233312, 333484, 387136, 466624, 666968, 774272, 933248, 1333936, 1548544, 1866496, 1917533, 2667872, 3835066, 5335744, 7670132, 10671488, 15340264, 21342976, 30680528, 61361056, 122722112, 245444224, 490888448]

約数ペア:

[(1, 490888448), (2, 245444224), (4, 122722112), (8, 61361056), (16, 30680528), (23, 21342976), (32, 15340264), (46, 10671488), (64, 7670132), (92, 5335744), (128, 3835066), (184, 2667872), (256, 1917533), (263, 1866496), (317, 1548544), (368, 1333936), (526, 933248), (634, 774272), (736, 666968), (1052, 466624), (1268, 387136), (1472, 333484), (2104, 233312), (2536, 193568), (2944, 166742), (4208, 116656), (5072, 96784), (5888, 83371), (6049, 81152), (7291, 67328), (8416, 58328), (10144, 48392), (12098, 40576), (14582, 33664), (16832, 29164), (20288, 24196)]