221320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{503}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 544320

約数和(自身を除く): 323000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 503, 1006, 2012, 2515, 4024, 5030, 5533, 10060, 11066, 20120, 22132, 27665, 44264, 55330, 110660, 221320]

約数ペア:

[(1, 221320), (2, 110660), (4, 55330), (5, 44264), (8, 27665), (10, 22132), (11, 20120), (20, 11066), (22, 10060), (40, 5533), (44, 5030), (55, 4024), (88, 2515), (110, 2012), (220, 1006), (440, 503)]