38871980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{277657}}^1$

素因数の和:277673

約数の個数: 24

約数和(自身を含む): 93293088

約数和(自身を除く): 54421108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 277657, 555314, 1110628, 1388285, 1943599, 2776570, 3887198, 5553140, 7774396, 9717995, 19435990, 38871980]

約数ペア:

[(1, 38871980), (2, 19435990), (4, 9717995), (5, 7774396), (7, 5553140), (10, 3887198), (14, 2776570), (20, 1943599), (28, 1388285), (35, 1110628), (70, 555314), (140, 277657)]