42913820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 93477888

約数和(自身を除く): 50564068

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 470, 643, 710, 940, 1286, 1420, 2572, 3215, 3337, 6430, 6674, 12860, 13348, 16685, 30221, 33370, 45653, 60442, 66740, 91306, 120884, 151105, 182612, 228265, 302210, 456530, 604420, 913060, 2145691, 4291382, 8582764, 10728455, 21456910, 42913820]

約数ペア:

[(1, 42913820), (2, 21456910), (4, 10728455), (5, 8582764), (10, 4291382), (20, 2145691), (47, 913060), (71, 604420), (94, 456530), (142, 302210), (188, 228265), (235, 182612), (284, 151105), (355, 120884), (470, 91306), (643, 66740), (710, 60442), (940, 45653), (1286, 33370), (1420, 30221), (2572, 16685), (3215, 13348), (3337, 12860), (6430, 6674)]