211966440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{252341}}^1$

素因数の和:252362

約数の個数: 64

約数和(自身を含む): 726744960

約数和(自身を除く): 514778520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 252341, 504682, 757023, 1009364, 1261705, 1514046, 1766387, 2018728, 2523410, 3028092, 3532774, 3785115, 5046820, 5299161, 6056184, 7065548, 7570230, 8831935, 10093640, 10598322, 14131096, 15140460, 17663870, 21196644, 26495805, 30280920, 35327740, 42393288, 52991610, 70655480, 105983220, 211966440]

約数ペア:

[(1, 211966440), (2, 105983220), (3, 70655480), (4, 52991610), (5, 42393288), (6, 35327740), (7, 30280920), (8, 26495805), (10, 21196644), (12, 17663870), (14, 15140460), (15, 14131096), (20, 10598322), (21, 10093640), (24, 8831935), (28, 7570230), (30, 7065548), (35, 6056184), (40, 5299161), (42, 5046820), (56, 3785115), (60, 3532774), (70, 3028092), (84, 2523410), (105, 2018728), (120, 1766387), (140, 1514046), (168, 1261705), (210, 1009364), (280, 757023), (420, 504682), (840, 252341)]