981820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{7013}}^1$

素因数の和:7029

約数の個数: 24

約数和(自身を含む): 2356704

約数和(自身を除く): 1374884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 7013, 14026, 28052, 35065, 49091, 70130, 98182, 140260, 196364, 245455, 490910, 981820]

約数ペア:

[(1, 981820), (2, 490910), (4, 245455), (5, 196364), (7, 140260), (10, 98182), (14, 70130), (20, 49091), (28, 35065), (35, 28052), (70, 14026), (140, 7013)]