517639780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3697427}}^1$

素因数の和:3697443

約数の個数: 24

約数和(自身を含む): 1242335808

約数和(自身を除く): 724696028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3697427, 7394854, 14789708, 18487135, 25881989, 36974270, 51763978, 73948540, 103527956, 129409945, 258819890, 517639780]

約数ペア:

[(1, 517639780), (2, 258819890), (4, 129409945), (5, 103527956), (7, 73948540), (10, 51763978), (14, 36974270), (20, 25881989), (28, 18487135), (35, 14789708), (70, 7394854), (140, 3697427)]