857475025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1289}}^1$

素因数の和:1410

約数の個数: 48

約数和(自身を含む): 1209297600

約数和(自身を除く): 351822575

約数列:

[1, 5, 11, 25, 41, 55, 59, 205, 275, 295, 451, 649, 1025, 1289, 1475, 2255, 2419, 3245, 6445, 11275, 12095, 14179, 16225, 26609, 32225, 52849, 60475, 70895, 76051, 133045, 264245, 354475, 380255, 581339, 665225, 836561, 1321225, 1901275, 2906695, 3118091, 4182805, 14533475, 15590455, 20914025, 34299001, 77952275, 171495005, 857475025]

約数ペア:

[(1, 857475025), (5, 171495005), (11, 77952275), (25, 34299001), (41, 20914025), (55, 15590455), (59, 14533475), (205, 4182805), (275, 3118091), (295, 2906695), (451, 1901275), (649, 1321225), (1025, 836561), (1289, 665225), (1475, 581339), (2255, 380255), (2419, 354475), (3245, 264245), (6445, 133045), (11275, 76051), (12095, 70895), (14179, 60475), (16225, 52849), (26609, 32225)]