209219290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2988847}}^1$

素因数の和:2988861

約数の個数: 16

約数和(自身を含む): 430394112

約数和(自身を除く): 221174822

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2988847, 5977694, 14944235, 20921929, 29888470, 41843858, 104609645, 209219290]

約数ペア:

[(1, 209219290), (2, 104609645), (5, 41843858), (7, 29888470), (10, 20921929), (14, 14944235), (35, 5977694), (70, 2988847)]