42898780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^2\times {\mathrm{971}}^1$

素因数の和:1074

約数の個数: 36

約数和(自身を含む): 92139768

約数和(自身を除く): 49240988

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 971, 1942, 2209, 3884, 4418, 4855, 8836, 9710, 11045, 19420, 22090, 44180, 45637, 91274, 182548, 228185, 456370, 912740, 2144939, 4289878, 8579756, 10724695, 21449390, 42898780]

約数ペア:

[(1, 42898780), (2, 21449390), (4, 10724695), (5, 8579756), (10, 4289878), (20, 2144939), (47, 912740), (94, 456370), (188, 228185), (235, 182548), (470, 91274), (940, 45637), (971, 44180), (1942, 22090), (2209, 19420), (3884, 11045), (4418, 9710), (4855, 8836)]