138204080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{246793}}^1$

素因数の和:246813

約数の個数: 40

約数和(自身を含む): 367229472

約数和(自身を除く): 229025392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 246793, 493586, 987172, 1233965, 1727551, 1974344, 2467930, 3455102, 3948688, 4935860, 6910204, 8637755, 9871720, 13820408, 17275510, 19743440, 27640816, 34551020, 69102040, 138204080]

約数ペア:

[(1, 138204080), (2, 69102040), (4, 34551020), (5, 27640816), (7, 19743440), (8, 17275510), (10, 13820408), (14, 9871720), (16, 8637755), (20, 6910204), (28, 4935860), (35, 3948688), (40, 3455102), (56, 2467930), (70, 1974344), (80, 1727551), (112, 1233965), (140, 987172), (280, 493586), (560, 246793)]