245655140

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{24419}}^1$

素因数の和:24931

約数の個数: 24

約数和(自身を含む): 516922560

約数和(自身を除く): 271267420

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 2012, 2515, 5030, 10060, 24419, 48838, 97676, 122095, 244190, 488380, 12282757, 24565514, 49131028, 61413785, 122827570, 245655140]

約数ペア:

[(1, 245655140), (2, 122827570), (4, 61413785), (5, 49131028), (10, 24565514), (20, 12282757), (503, 488380), (1006, 244190), (2012, 122095), (2515, 97676), (5030, 48838), (10060, 24419)]