165064340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{168433}}^1$

素因数の和:168456

約数の個数: 36

約数和(自身を含む): 403230996

約数和(自身を除く): 238166656

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 168433, 336866, 673732, 842165, 1179031, 1684330, 2358062, 3368660, 4716124, 5895155, 8253217, 11790310, 16506434, 23580620, 33012868, 41266085, 82532170, 165064340]

約数ペア:

[(1, 165064340), (2, 82532170), (4, 41266085), (5, 33012868), (7, 23580620), (10, 16506434), (14, 11790310), (20, 8253217), (28, 5895155), (35, 4716124), (49, 3368660), (70, 2358062), (98, 1684330), (140, 1179031), (196, 842165), (245, 673732), (490, 336866), (980, 168433)]