139654760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{498767}}^1$

素因数の和:498785

約数の個数: 32

約数和(自身を含む): 359112960

約数和(自身を除く): 219458200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 498767, 997534, 1995068, 2493835, 3491369, 3990136, 4987670, 6982738, 9975340, 13965476, 17456845, 19950680, 27930952, 34913690, 69827380, 139654760]

約数ペア:

[(1, 139654760), (2, 69827380), (4, 34913690), (5, 27930952), (7, 19950680), (8, 17456845), (10, 13965476), (14, 9975340), (20, 6982738), (28, 4987670), (35, 3990136), (40, 3491369), (56, 2493835), (70, 1995068), (140, 997534), (280, 498767)]