205240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{733}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 528480

約数和(自身を除く): 323240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 733, 1466, 2932, 3665, 5131, 5864, 7330, 10262, 14660, 20524, 25655, 29320, 41048, 51310, 102620, 205240]

約数ペア:

[(1, 205240), (2, 102620), (4, 51310), (5, 41048), (7, 29320), (8, 25655), (10, 20524), (14, 14660), (20, 10262), (28, 7330), (35, 5864), (40, 5131), (56, 3665), (70, 2932), (140, 1466), (280, 733)]