177328016860

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{81343127}}^1$

素因数の和:81343245

約数の個数: 24

約数和(自身を含む): 375805251360

約数和(自身を除く): 198477234500

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 81343127, 162686254, 325372508, 406715635, 813431270, 1626862540, 8866400843, 17732801686, 35465603372, 44332004215, 88664008430, 177328016860]

約数ペア:

[(1, 177328016860), (2, 88664008430), (4, 44332004215), (5, 35465603372), (10, 17732801686), (20, 8866400843), (109, 1626862540), (218, 813431270), (436, 406715635), (545, 325372508), (1090, 162686254), (2180, 81343127)]