129122420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{922303}}^1$

素因数の和:922319

約数の個数: 24

約数和(自身を含む): 309894144

約数和(自身を除く): 180771724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 922303, 1844606, 3689212, 4611515, 6456121, 9223030, 12912242, 18446060, 25824484, 32280605, 64561210, 129122420]

約数ペア:

[(1, 129122420), (2, 64561210), (4, 32280605), (5, 25824484), (7, 18446060), (10, 12912242), (14, 9223030), (20, 6456121), (28, 4611515), (35, 3689212), (70, 1844606), (140, 922303)]