251173120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17839}}^1$

素因数の和:17871

約数の個数: 72

約数和(自身を含む): 656369280

約数和(自身を除く): 405196160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 17839, 35678, 71356, 89195, 142712, 178390, 196229, 285424, 356780, 392458, 570848, 713560, 784916, 981145, 1141696, 1427120, 1569832, 1962290, 2283392, 2854240, 3139664, 3924580, 4566784, 5708480, 6279328, 7849160, 11416960, 12558656, 15698320, 22833920, 25117312, 31396640, 50234624, 62793280, 125586560, 251173120]

約数ペア:

[(1, 251173120), (2, 125586560), (4, 62793280), (5, 50234624), (8, 31396640), (10, 25117312), (11, 22833920), (16, 15698320), (20, 12558656), (22, 11416960), (32, 7849160), (40, 6279328), (44, 5708480), (55, 4566784), (64, 3924580), (80, 3139664), (88, 2854240), (110, 2283392), (128, 1962290), (160, 1569832), (176, 1427120), (220, 1141696), (256, 981145), (320, 784916), (352, 713560), (440, 570848), (640, 392458), (704, 356780), (880, 285424), (1280, 196229), (1408, 178390), (1760, 142712), (2816, 89195), (3520, 71356), (7040, 35678), (14080, 17839)]