499185680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12211}}^1$

素因数の和:12304

約数の個数: 80

約数和(自身を含む): 1344687744

約数和(自身を除く): 845502064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 12211, 20440, 24422, 40880, 48844, 61055, 85477, 97688, 122110, 170954, 195376, 244220, 341908, 427385, 488440, 683816, 854770, 891403, 976880, 1367632, 1709540, 1782806, 3419080, 3565612, 4457015, 6239821, 6838160, 7131224, 8914030, 12479642, 14262448, 17828060, 24959284, 31199105, 35656120, 49918568, 62398210, 71312240, 99837136, 124796420, 249592840, 499185680]

約数ペア:

[(1, 499185680), (2, 249592840), (4, 124796420), (5, 99837136), (7, 71312240), (8, 62398210), (10, 49918568), (14, 35656120), (16, 31199105), (20, 24959284), (28, 17828060), (35, 14262448), (40, 12479642), (56, 8914030), (70, 7131224), (73, 6838160), (80, 6239821), (112, 4457015), (140, 3565612), (146, 3419080), (280, 1782806), (292, 1709540), (365, 1367632), (511, 976880), (560, 891403), (584, 854770), (730, 683816), (1022, 488440), (1168, 427385), (1460, 341908), (2044, 244220), (2555, 195376), (2920, 170954), (4088, 122110), (5110, 97688), (5840, 85477), (8176, 61055), (10220, 48844), (12211, 40880), (20440, 24422)]