142084940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{79823}}^1$

素因数の和:79921

約数の個数: 24

約数和(自身を含む): 301734720

約数和(自身を除く): 159649780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 79823, 159646, 319292, 399115, 798230, 1596460, 7104247, 14208494, 28416988, 35521235, 71042470, 142084940]

約数ペア:

[(1, 142084940), (2, 71042470), (4, 35521235), (5, 28416988), (10, 14208494), (20, 7104247), (89, 1596460), (178, 798230), (356, 399115), (445, 319292), (890, 159646), (1780, 79823)]