419211790

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{320009}}^1$

素因数の和:320147

約数の個数: 16

約数和(自身を含む): 760343760

約数和(自身を除く): 341131970

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 320009, 640018, 1600045, 3200090, 41921179, 83842358, 209605895, 419211790]

約数ペア:

[(1, 419211790), (2, 209605895), (5, 83842358), (10, 41921179), (131, 3200090), (262, 1600045), (655, 640018), (1310, 320009)]