315046280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{56663}}^1$

素因数の和:56813

約数の個数: 32

約数和(自身を含む): 713966400

約数和(自身を除く): 398920120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 56663, 113326, 226652, 283315, 453304, 566630, 1133260, 2266520, 7876157, 15752314, 31504628, 39380785, 63009256, 78761570, 157523140, 315046280]

約数ペア:

[(1, 315046280), (2, 157523140), (4, 78761570), (5, 63009256), (8, 39380785), (10, 31504628), (20, 15752314), (40, 7876157), (139, 2266520), (278, 1133260), (556, 566630), (695, 453304), (1112, 283315), (1390, 226652), (2780, 113326), (5560, 56663)]