161054180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{164341}}^1$

素因数の和:164364

約数の個数: 36

約数和(自身を含む): 393434748

約数和(自身を除く): 232380568

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 164341, 328682, 657364, 821705, 1150387, 1643410, 2300774, 3286820, 4601548, 5751935, 8052709, 11503870, 16105418, 23007740, 32210836, 40263545, 80527090, 161054180]

約数ペア:

[(1, 161054180), (2, 80527090), (4, 40263545), (5, 32210836), (7, 23007740), (10, 16105418), (14, 11503870), (20, 8052709), (28, 5751935), (35, 4601548), (49, 3286820), (70, 2300774), (98, 1643410), (140, 1150387), (196, 821705), (245, 657364), (490, 328682), (980, 164341)]