201020288

素因数分解:

$2^7\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1429}}^1$

素因数の和:1607

約数の個数: 64

約数和(自身を含む): 460917600

約数和(自身を除く): 259897312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 157, 224, 314, 448, 628, 896, 1099, 1256, 1429, 2198, 2512, 2858, 4396, 5024, 5716, 8792, 10003, 10048, 11432, 17584, 20006, 20096, 22864, 35168, 40012, 45728, 70336, 80024, 91456, 140672, 160048, 182912, 224353, 320096, 448706, 640192, 897412, 1280384, 1570471, 1794824, 3140942, 3589648, 6281884, 7179296, 12563768, 14358592, 25127536, 28717184, 50255072, 100510144, 201020288]

約数ペア:

[(1, 201020288), (2, 100510144), (4, 50255072), (7, 28717184), (8, 25127536), (14, 14358592), (16, 12563768), (28, 7179296), (32, 6281884), (56, 3589648), (64, 3140942), (112, 1794824), (128, 1570471), (157, 1280384), (224, 897412), (314, 640192), (448, 448706), (628, 320096), (896, 224353), (1099, 182912), (1256, 160048), (1429, 140672), (2198, 91456), (2512, 80024), (2858, 70336), (4396, 45728), (5024, 40012), (5716, 35168), (8792, 22864), (10003, 20096), (10048, 20006), (11432, 17584)]