30578660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218419}}^1$

素因数の和:218435

約数の個数: 24

約数和(自身を含む): 73389120

約数和(自身を除く): 42810460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218419, 436838, 873676, 1092095, 1528933, 2184190, 3057866, 4368380, 6115732, 7644665, 15289330, 30578660]

約数ペア:

[(1, 30578660), (2, 15289330), (4, 7644665), (5, 6115732), (7, 4368380), (10, 3057866), (14, 2184190), (20, 1528933), (28, 1092095), (35, 873676), (70, 436838), (140, 218419)]