204045520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8887}}^1$

素因数の和:8948

約数の個数: 80

約数和(自身を含む): 555464448

約数和(自身を除く): 351418928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1435, 1640, 2296, 2870, 3280, 4592, 5740, 8887, 11480, 17774, 22960, 35548, 44435, 62209, 71096, 88870, 124418, 142192, 177740, 248836, 311045, 355480, 364367, 497672, 622090, 710960, 728734, 995344, 1244180, 1457468, 1821835, 2488360, 2550569, 2914936, 3643670, 4976720, 5101138, 5829872, 7287340, 10202276, 12752845, 14574680, 20404552, 25505690, 29149360, 40809104, 51011380, 102022760, 204045520]

約数ペア:

[(1, 204045520), (2, 102022760), (4, 51011380), (5, 40809104), (7, 29149360), (8, 25505690), (10, 20404552), (14, 14574680), (16, 12752845), (20, 10202276), (28, 7287340), (35, 5829872), (40, 5101138), (41, 4976720), (56, 3643670), (70, 2914936), (80, 2550569), (82, 2488360), (112, 1821835), (140, 1457468), (164, 1244180), (205, 995344), (280, 728734), (287, 710960), (328, 622090), (410, 497672), (560, 364367), (574, 355480), (656, 311045), (820, 248836), (1148, 177740), (1435, 142192), (1640, 124418), (2296, 88870), (2870, 71096), (3280, 62209), (4592, 44435), (5740, 35548), (8887, 22960), (11480, 17774)]