257642210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{33767}}^1$

素因数の和:33890

約数の個数: 32

約数和(自身を含む): 534885120

約数和(自身を除く): 277242910

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 3815, 7630, 33767, 67534, 168835, 236369, 337670, 472738, 1181845, 2363690, 3680603, 7361206, 18403015, 25764221, 36806030, 51528442, 128821105, 257642210]

約数ペア:

[(1, 257642210), (2, 128821105), (5, 51528442), (7, 36806030), (10, 25764221), (14, 18403015), (35, 7361206), (70, 3680603), (109, 2363690), (218, 1181845), (545, 472738), (763, 337670), (1090, 236369), (1526, 168835), (3815, 67534), (7630, 33767)]