257692290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{505279}}^1$

素因数の和:505306

約数の個数: 32

約数和(自身を含む): 654842880

約数和(自身を除く): 397150590

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 505279, 1010558, 1515837, 2526395, 3031674, 5052790, 7579185, 8589743, 15158370, 17179486, 25769229, 42948715, 51538458, 85897430, 128846145, 257692290]

約数ペア:

[(1, 257692290), (2, 128846145), (3, 85897430), (5, 51538458), (6, 42948715), (10, 25769229), (15, 17179486), (17, 15158370), (30, 8589743), (34, 7579185), (51, 5052790), (85, 3031674), (102, 2526395), (170, 1515837), (255, 1010558), (510, 505279)]