257614290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22189}}^1$

素因数の和:22248

約数の個数: 64

約数和(自身を含む): 702979200

約数和(自身を除く): 445364910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 43, 45, 54, 86, 90, 129, 135, 215, 258, 270, 387, 430, 645, 774, 1161, 1290, 1935, 2322, 3870, 5805, 11610, 22189, 44378, 66567, 110945, 133134, 199701, 221890, 332835, 399402, 599103, 665670, 954127, 998505, 1198206, 1908254, 1997010, 2862381, 2995515, 4770635, 5724762, 5991030, 8587143, 9541270, 14311905, 17174286, 25761429, 28623810, 42935715, 51522858, 85871430, 128807145, 257614290]

約数ペア:

[(1, 257614290), (2, 128807145), (3, 85871430), (5, 51522858), (6, 42935715), (9, 28623810), (10, 25761429), (15, 17174286), (18, 14311905), (27, 9541270), (30, 8587143), (43, 5991030), (45, 5724762), (54, 4770635), (86, 2995515), (90, 2862381), (129, 1997010), (135, 1908254), (215, 1198206), (258, 998505), (270, 954127), (387, 665670), (430, 599103), (645, 399402), (774, 332835), (1161, 221890), (1290, 199701), (1935, 133134), (2322, 110945), (3870, 66567), (5805, 44378), (11610, 22189)]