129120740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{922291}}^1$

素因数の和:922307

約数の個数: 24

約数和(自身を含む): 309890112

約数和(自身を除く): 180769372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 922291, 1844582, 3689164, 4611455, 6456037, 9222910, 12912074, 18445820, 25824148, 32280185, 64560370, 129120740]

約数ペア:

[(1, 129120740), (2, 64560370), (4, 32280185), (5, 25824148), (7, 18445820), (10, 12912074), (14, 9222910), (20, 6456037), (28, 4611455), (35, 3689164), (70, 1844582), (140, 922291)]