128034620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{914533}}^1$

素因数の和:914549

約数の個数: 24

約数和(自身を含む): 307283424

約数和(自身を除く): 179248804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 914533, 1829066, 3658132, 4572665, 6401731, 9145330, 12803462, 18290660, 25606924, 32008655, 64017310, 128034620]

約数ペア:

[(1, 128034620), (2, 64017310), (4, 32008655), (5, 25606924), (7, 18290660), (10, 12803462), (14, 9145330), (20, 6401731), (28, 4572665), (35, 3658132), (70, 1829066), (140, 914533)]