449267620

素因数分解:

$2^2\times 5^1\times {\mathrm{821}}^1\times {\mathrm{27361}}^1$

素因数の和:28191

約数の個数: 24

約数和(自身を含む): 944645688

約数和(自身を除く): 495378068

約数列:

[1, 2, 4, 5, 10, 20, 821, 1642, 3284, 4105, 8210, 16420, 27361, 54722, 109444, 136805, 273610, 547220, 22463381, 44926762, 89853524, 112316905, 224633810, 449267620]

約数ペア:

[(1, 449267620), (2, 224633810), (4, 112316905), (5, 89853524), (10, 44926762), (20, 22463381), (821, 547220), (1642, 273610), (3284, 136805), (4105, 109444), (8210, 54722), (16420, 27361)]