2180345

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 2808000

約数和(自身を除く): 627655

約数列:

[1, 5, 19, 59, 95, 295, 389, 1121, 1945, 5605, 7391, 22951, 36955, 114755, 436069, 2180345]

約数ペア:

[(1, 2180345), (5, 436069), (19, 114755), (59, 36955), (95, 22951), (295, 7391), (389, 5605), (1121, 1945)]