42451390

素因数分解:

$2^1\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{2851}}^1$

素因数の和:4347

約数の個数: 16

約数和(自身を含む): 76490640

約数和(自身を除く): 34039250

約数列:

[1, 2, 5, 10, 1489, 2851, 2978, 5702, 7445, 14255, 14890, 28510, 4245139, 8490278, 21225695, 42451390]

約数ペア:

[(1, 42451390), (2, 21225695), (5, 8490278), (10, 4245139), (1489, 28510), (2851, 14890), (2978, 14255), (5702, 7445)]