5519780

素因数分解:

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

素因数の和:548

約数の個数: 48

約数和(自身を含む): 13426560

約数和(自身を除く): 7906780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 443, 445, 623, 886, 890, 1246, 1772, 1780, 2215, 2492, 3101, 3115, 4430, 6202, 6230, 8860, 12404, 12460, 15505, 31010, 39427, 62020, 78854, 157708, 197135, 275989, 394270, 551978, 788540, 1103956, 1379945, 2759890, 5519780]

約数ペア:

[(1, 5519780), (2, 2759890), (4, 1379945), (5, 1103956), (7, 788540), (10, 551978), (14, 394270), (20, 275989), (28, 197135), (35, 157708), (70, 78854), (89, 62020), (140, 39427), (178, 31010), (356, 15505), (443, 12460), (445, 12404), (623, 8860), (886, 6230), (890, 6202), (1246, 4430), (1772, 3115), (1780, 3101), (2215, 2492)]