2759890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 5754240

約数和(自身を除く): 2994350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 443, 445, 623, 886, 890, 1246, 2215, 3101, 3115, 4430, 6202, 6230, 15505, 31010, 39427, 78854, 197135, 275989, 394270, 551978, 1379945, 2759890]

約数ペア:

[(1, 2759890), (2, 1379945), (5, 551978), (7, 394270), (10, 275989), (14, 197135), (35, 78854), (70, 39427), (89, 31010), (178, 15505), (443, 6230), (445, 6202), (623, 4430), (886, 3115), (890, 3101), (1246, 2215)]