409083775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{1049}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 535122000

約数和(自身を除く): 126038225

約数列:

[1, 5, 19, 25, 95, 475, 821, 1049, 4105, 5245, 15599, 19931, 20525, 26225, 77995, 99655, 389975, 498275, 861229, 4306145, 16363351, 21530725, 81816755, 409083775]

約数ペア:

[(1, 409083775), (5, 81816755), (19, 21530725), (25, 16363351), (95, 4306145), (475, 861229), (821, 498275), (1049, 389975), (4105, 99655), (5245, 77995), (15599, 26225), (19931, 20525)]