240245785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{11443}}^1$

素因数の和:11497

約数の個数: 32

約数和(自身を含む): 346066560

約数和(自身を除く): 105820775

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 11443, 20995, 57215, 148759, 194531, 217417, 743795, 972655, 1087085, 2528903, 2826421, 3696089, 12644515, 14132105, 18480445, 48049157, 240245785]

約数ペア:

[(1, 240245785), (5, 48049157), (13, 18480445), (17, 14132105), (19, 12644515), (65, 3696089), (85, 2826421), (95, 2528903), (221, 1087085), (247, 972655), (323, 743795), (1105, 217417), (1235, 194531), (1615, 148759), (4199, 57215), (11443, 20995)]