84200780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221581}}^1$

素因数の和:221609

約数の個数: 24

約数和(自身を含む): 186128880

約数和(自身を除く): 101928100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 221581, 443162, 886324, 1107905, 2215810, 4210039, 4431620, 8420078, 16840156, 21050195, 42100390, 84200780]

約数ペア:

[(1, 84200780), (2, 42100390), (4, 21050195), (5, 16840156), (10, 8420078), (19, 4431620), (20, 4210039), (38, 2215810), (76, 1107905), (95, 886324), (190, 443162), (380, 221581)]