678746530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{125927}}^1$

素因数の和:125959

約数の個数: 48

約数和(自身を含む): 1550425536

約数和(自身を除く): 871679006

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 5390, 125927, 251854, 629635, 881489, 1259270, 1385197, 1762978, 2770394, 4407445, 6170423, 6925985, 8814890, 9696379, 12340846, 13851970, 19392758, 30852115, 48481895, 61704230, 67874653, 96963790, 135749306, 339373265, 678746530]

約数ペア:

[(1, 678746530), (2, 339373265), (5, 135749306), (7, 96963790), (10, 67874653), (11, 61704230), (14, 48481895), (22, 30852115), (35, 19392758), (49, 13851970), (55, 12340846), (70, 9696379), (77, 8814890), (98, 6925985), (110, 6170423), (154, 4407445), (245, 2770394), (385, 1762978), (490, 1385197), (539, 1259270), (770, 881489), (1078, 629635), (2695, 251854), (5390, 125927)]