39779180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40591}}^1$

素因数の和:40614

約数の個数: 36

約数和(自身を含む): 97177248

約数和(自身を除く): 57398068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40591, 81182, 162364, 202955, 284137, 405910, 568274, 811820, 1136548, 1420685, 1988959, 2841370, 3977918, 5682740, 7955836, 9944795, 19889590, 39779180]

約数ペア:

[(1, 39779180), (2, 19889590), (4, 9944795), (5, 7955836), (7, 5682740), (10, 3977918), (14, 2841370), (20, 1988959), (28, 1420685), (35, 1136548), (49, 811820), (70, 568274), (98, 405910), (140, 284137), (196, 202955), (245, 162364), (490, 81182), (980, 40591)]