199274180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{203341}}^1$

素因数の和:203364

約数の個数: 36

約数和(自身を含む): 486800748

約数和(自身を除く): 287526568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 203341, 406682, 813364, 1016705, 1423387, 2033410, 2846774, 4066820, 5693548, 7116935, 9963709, 14233870, 19927418, 28467740, 39854836, 49818545, 99637090, 199274180]

約数ペア:

[(1, 199274180), (2, 99637090), (4, 49818545), (5, 39854836), (7, 28467740), (10, 19927418), (14, 14233870), (20, 9963709), (28, 7116935), (35, 5693548), (49, 4066820), (70, 2846774), (98, 2033410), (140, 1423387), (196, 1016705), (245, 813364), (490, 406682), (980, 203341)]