172916975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2089}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 273672960

約数和(自身を除く): 100755985

約数列:

[1, 5, 7, 11, 25, 35, 43, 55, 77, 175, 215, 275, 301, 385, 473, 1075, 1505, 1925, 2089, 2365, 3311, 7525, 10445, 11825, 14623, 16555, 22979, 52225, 73115, 82775, 89827, 114895, 160853, 365575, 449135, 574475, 628789, 804265, 988097, 2245675, 3143945, 4021325, 4940485, 6916679, 15719725, 24702425, 34583395, 172916975]

約数ペア:

[(1, 172916975), (5, 34583395), (7, 24702425), (11, 15719725), (25, 6916679), (35, 4940485), (43, 4021325), (55, 3143945), (77, 2245675), (175, 988097), (215, 804265), (275, 628789), (301, 574475), (385, 449135), (473, 365575), (1075, 160853), (1505, 114895), (1925, 89827), (2089, 82775), (2365, 73115), (3311, 52225), (7525, 22979), (10445, 16555), (11825, 14623)]