199242540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{158129}}^1$

素因数の和:158151

約数の個数: 72

約数和(自身を含む): 690711840

約数和(自身を除く): 491469300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 158129, 316258, 474387, 632516, 790645, 948774, 1106903, 1423161, 1581290, 1897548, 2213806, 2371935, 2846322, 3162580, 3320709, 4427612, 4743870, 5534515, 5692644, 6641418, 7115805, 9487740, 9962127, 11069030, 13282836, 14231610, 16603545, 19924254, 22138060, 28463220, 33207090, 39848508, 49810635, 66414180, 99621270, 199242540]

約数ペア:

[(1, 199242540), (2, 99621270), (3, 66414180), (4, 49810635), (5, 39848508), (6, 33207090), (7, 28463220), (9, 22138060), (10, 19924254), (12, 16603545), (14, 14231610), (15, 13282836), (18, 11069030), (20, 9962127), (21, 9487740), (28, 7115805), (30, 6641418), (35, 5692644), (36, 5534515), (42, 4743870), (45, 4427612), (60, 3320709), (63, 3162580), (70, 2846322), (84, 2371935), (90, 2213806), (105, 1897548), (126, 1581290), (140, 1423161), (180, 1106903), (210, 948774), (252, 790645), (315, 632516), (420, 474387), (630, 316258), (1260, 158129)]