145081480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{77171}}^1$

素因数の和:77229

約数の個数: 32

約数和(自身を含む): 333383040

約数和(自身を除く): 188301560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 77171, 154342, 308684, 385855, 617368, 771710, 1543420, 3086840, 3627037, 7254074, 14508148, 18135185, 29016296, 36270370, 72540740, 145081480]

約数ペア:

[(1, 145081480), (2, 72540740), (4, 36270370), (5, 29016296), (8, 18135185), (10, 14508148), (20, 7254074), (40, 3627037), (47, 3086840), (94, 1543420), (188, 771710), (235, 617368), (376, 385855), (470, 308684), (940, 154342), (1880, 77171)]