205805320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{735019}}^1$

素因数の和:735037

約数の個数: 32

約数和(自身を含む): 529214400

約数和(自身を除く): 323409080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 735019, 1470038, 2940076, 3675095, 5145133, 5880152, 7350190, 10290266, 14700380, 20580532, 25725665, 29400760, 41161064, 51451330, 102902660, 205805320]

約数ペア:

[(1, 205805320), (2, 102902660), (4, 51451330), (5, 41161064), (7, 29400760), (8, 25725665), (10, 20580532), (14, 14700380), (20, 10290266), (28, 7350190), (35, 5880152), (40, 5145133), (56, 3675095), (70, 2940076), (140, 1470038), (280, 735019)]