209900880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{41647}}^1$

素因数の和:41673

約数の個数: 120

約数和(自身を含む): 805638912

約数和(自身を除く): 595738032

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 41647, 83294, 124941, 166588, 208235, 249882, 291529, 333176, 374823, 416470, 499764, 583058, 624705, 666352, 749646, 832940, 874587, 999528, 1166116, 1249410, 1457645, 1499292, 1665880, 1749174, 1874115, 1999056, 2332232, 2498820, 2623761, 2915290, 2998584, 3331760, 3498348, 3748230, 4372935, 4664464, 4997640, 5247522, 5830580, 5997168, 6996696, 7496460, 8745870, 9995280, 10495044, 11661160, 13118805, 13993392, 14992920, 17491740, 20990088, 23322320, 26237610, 29985840, 34983480, 41980176, 52475220, 69966960, 104950440, 209900880]

約数ペア:

[(1, 209900880), (2, 104950440), (3, 69966960), (4, 52475220), (5, 41980176), (6, 34983480), (7, 29985840), (8, 26237610), (9, 23322320), (10, 20990088), (12, 17491740), (14, 14992920), (15, 13993392), (16, 13118805), (18, 11661160), (20, 10495044), (21, 9995280), (24, 8745870), (28, 7496460), (30, 6996696), (35, 5997168), (36, 5830580), (40, 5247522), (42, 4997640), (45, 4664464), (48, 4372935), (56, 3748230), (60, 3498348), (63, 3331760), (70, 2998584), (72, 2915290), (80, 2623761), (84, 2498820), (90, 2332232), (105, 1999056), (112, 1874115), (120, 1749174), (126, 1665880), (140, 1499292), (144, 1457645), (168, 1249410), (180, 1166116), (210, 999528), (240, 874587), (252, 832940), (280, 749646), (315, 666352), (336, 624705), (360, 583058), (420, 499764), (504, 416470), (560, 374823), (630, 333176), (720, 291529), (840, 249882), (1008, 208235), (1260, 166588), (1680, 124941), (2520, 83294), (5040, 41647)]