30971780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221227}}^1$

素因数の和:221243

約数の個数: 24

約数和(自身を含む): 74332608

約数和(自身を除く): 43360828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221227, 442454, 884908, 1106135, 1548589, 2212270, 3097178, 4424540, 6194356, 7742945, 15485890, 30971780]

約数ペア:

[(1, 30971780), (2, 15485890), (4, 7742945), (5, 6194356), (7, 4424540), (10, 3097178), (14, 2212270), (20, 1548589), (28, 1106135), (35, 884908), (70, 442454), (140, 221227)]