256260900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{122029}}^1$

素因数の和:122053

約数の個数: 72

約数和(自身を含む): 847376320

約数和(自身を除く): 591115420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 122029, 244058, 366087, 488116, 610145, 732174, 854203, 1220290, 1464348, 1708406, 1830435, 2440580, 2562609, 3050725, 3416812, 3660870, 4271015, 5125218, 6101450, 7321740, 8542030, 9152175, 10250436, 12202900, 12813045, 17084060, 18304350, 21355075, 25626090, 36608700, 42710150, 51252180, 64065225, 85420300, 128130450, 256260900]

約数ペア:

[(1, 256260900), (2, 128130450), (3, 85420300), (4, 64065225), (5, 51252180), (6, 42710150), (7, 36608700), (10, 25626090), (12, 21355075), (14, 18304350), (15, 17084060), (20, 12813045), (21, 12202900), (25, 10250436), (28, 9152175), (30, 8542030), (35, 7321740), (42, 6101450), (50, 5125218), (60, 4271015), (70, 3660870), (75, 3416812), (84, 3050725), (100, 2562609), (105, 2440580), (140, 1830435), (150, 1708406), (175, 1464348), (210, 1220290), (300, 854203), (350, 732174), (420, 610145), (525, 488116), (700, 366087), (1050, 244058), (2100, 122029)]