289202390

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{1019}}^1$

素因数の和:1408

約数の個数: 32

約数和(自身を含む): 528107040

約数和(自身を除く): 238904650

約数列:

[1, 2, 5, 10, 101, 202, 281, 505, 562, 1010, 1019, 1405, 2038, 2810, 5095, 10190, 28381, 56762, 102919, 141905, 205838, 283810, 286339, 514595, 572678, 1029190, 1431695, 2863390, 28920239, 57840478, 144601195, 289202390]

約数ペア:

[(1, 289202390), (2, 144601195), (5, 57840478), (10, 28920239), (101, 2863390), (202, 1431695), (281, 1029190), (505, 572678), (562, 514595), (1010, 286339), (1019, 283810), (1405, 205838), (2038, 141905), (2810, 102919), (5095, 56762), (10190, 28381)]