3991820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{28513}}^1$

素因数の和:28529

約数の個数: 24

約数和(自身を含む): 9580704

約数和(自身を除く): 5588884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 28513, 57026, 114052, 142565, 199591, 285130, 399182, 570260, 798364, 997955, 1995910, 3991820]

約数ペア:

[(1, 3991820), (2, 1995910), (4, 997955), (5, 798364), (7, 570260), (10, 399182), (14, 285130), (20, 199591), (28, 142565), (35, 114052), (70, 57026), (140, 28513)]