1187942780

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{135301}}^1$

素因数の和:135749

約数の個数: 24

約数和(自身を含む): 2500380960

約数和(自身を除く): 1312438180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 135301, 270602, 541204, 676505, 1353010, 2706020, 59397139, 118794278, 237588556, 296985695, 593971390, 1187942780]

約数ペア:

[(1, 1187942780), (2, 593971390), (4, 296985695), (5, 237588556), (10, 118794278), (20, 59397139), (439, 2706020), (878, 1353010), (1756, 676505), (2195, 541204), (4390, 270602), (8780, 135301)]