142789780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1019927}}^1$

素因数の和:1019943

約数の個数: 24

約数和(自身を含む): 342695808

約数和(自身を除く): 199906028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1019927, 2039854, 4079708, 5099635, 7139489, 10199270, 14278978, 20398540, 28557956, 35697445, 71394890, 142789780]

約数ペア:

[(1, 142789780), (2, 71394890), (4, 35697445), (5, 28557956), (7, 20398540), (10, 14278978), (14, 10199270), (20, 7139489), (28, 5099635), (35, 4079708), (70, 2039854), (140, 1019927)]