490260810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1257079}}^1$

素因数の和:1257102

約数の個数: 32

約数和(自身を含む): 1267136640

約数和(自身を除く): 776875830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 1257079, 2514158, 3771237, 6285395, 7542474, 12570790, 16342027, 18856185, 32684054, 37712370, 49026081, 81710135, 98052162, 163420270, 245130405, 490260810]

約数ペア:

[(1, 490260810), (2, 245130405), (3, 163420270), (5, 98052162), (6, 81710135), (10, 49026081), (13, 37712370), (15, 32684054), (26, 18856185), (30, 16342027), (39, 12570790), (65, 7542474), (78, 6285395), (130, 3771237), (195, 2514158), (390, 1257079)]