258687590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{35879}}^1$

素因数の和:35996

約数の個数: 32

約数和(自身を含む): 537338880

約数和(自身を除く): 278651290

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 35879, 71758, 179395, 251153, 358790, 502306, 1255765, 2511530, 3695537, 7391074, 18477685, 25868759, 36955370, 51737518, 129343795, 258687590]

約数ペア:

[(1, 258687590), (2, 129343795), (5, 51737518), (7, 36955370), (10, 25868759), (14, 18477685), (35, 7391074), (70, 3695537), (103, 2511530), (206, 1255765), (515, 502306), (721, 358790), (1030, 251153), (1442, 179395), (3605, 71758), (7210, 35879)]