209047440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{124433}}^1$

素因数の和:124456

約数の個数: 80

約数和(自身を含む): 740631168

約数和(自身を除く): 531583728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 124433, 248866, 373299, 497732, 622165, 746598, 871031, 995464, 1244330, 1493196, 1742062, 1866495, 1990928, 2488660, 2613093, 2986392, 3484124, 3732990, 4355155, 4977320, 5226186, 5972784, 6968248, 7465980, 8710310, 9954640, 10452372, 13065465, 13936496, 14931960, 17420620, 20904744, 26130930, 29863920, 34841240, 41809488, 52261860, 69682480, 104523720, 209047440]

約数ペア:

[(1, 209047440), (2, 104523720), (3, 69682480), (4, 52261860), (5, 41809488), (6, 34841240), (7, 29863920), (8, 26130930), (10, 20904744), (12, 17420620), (14, 14931960), (15, 13936496), (16, 13065465), (20, 10452372), (21, 9954640), (24, 8710310), (28, 7465980), (30, 6968248), (35, 5972784), (40, 5226186), (42, 4977320), (48, 4355155), (56, 3732990), (60, 3484124), (70, 2986392), (80, 2613093), (84, 2488660), (105, 1990928), (112, 1866495), (120, 1742062), (140, 1493196), (168, 1244330), (210, 995464), (240, 871031), (280, 746598), (336, 622165), (420, 497732), (560, 373299), (840, 248866), (1680, 124433)]