201416620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^3\times {\mathrm{97}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 436625280

約数和(自身を除く): 235208660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 97, 188, 194, 235, 388, 470, 485, 940, 970, 1940, 2209, 4418, 4559, 8836, 9118, 11045, 18236, 22090, 22795, 44180, 45590, 91180, 103823, 207646, 214273, 415292, 428546, 519115, 857092, 1038230, 1071365, 2076460, 2142730, 4285460, 10070831, 20141662, 40283324, 50354155, 100708310, 201416620]

約数ペア:

[(1, 201416620), (2, 100708310), (4, 50354155), (5, 40283324), (10, 20141662), (20, 10070831), (47, 4285460), (94, 2142730), (97, 2076460), (188, 1071365), (194, 1038230), (235, 857092), (388, 519115), (470, 428546), (485, 415292), (940, 214273), (970, 207646), (1940, 103823), (2209, 91180), (4418, 45590), (4559, 44180), (8836, 22795), (9118, 22090), (11045, 18236)]