42765940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{305471}}^1$

素因数の和:305487

約数の個数: 24

約数和(自身を含む): 102638592

約数和(自身を除く): 59872652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 305471, 610942, 1221884, 1527355, 2138297, 3054710, 4276594, 6109420, 8553188, 10691485, 21382970, 42765940]

約数ペア:

[(1, 42765940), (2, 21382970), (4, 10691485), (5, 8553188), (7, 6109420), (10, 4276594), (14, 3054710), (20, 2138297), (28, 1527355), (35, 1221884), (70, 610942), (140, 305471)]