402184780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1058381}}^1$

素因数の和:1058409

約数の個数: 24

約数和(自身を含む): 889040880

約数和(自身を除く): 486856100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1058381, 2116762, 4233524, 5291905, 10583810, 20109239, 21167620, 40218478, 80436956, 100546195, 201092390, 402184780]

約数ペア:

[(1, 402184780), (2, 201092390), (4, 100546195), (5, 80436956), (10, 40218478), (19, 21167620), (20, 20109239), (38, 10583810), (76, 5291905), (95, 4233524), (190, 2116762), (380, 1058381)]