251483260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1796309}}^1$

素因数の和:1796325

約数の個数: 24

約数和(自身を含む): 603560160

約数和(自身を除く): 352076900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1796309, 3592618, 7185236, 8981545, 12574163, 17963090, 25148326, 35926180, 50296652, 62870815, 125741630, 251483260]

約数ペア:

[(1, 251483260), (2, 125741630), (4, 62870815), (5, 50296652), (7, 35926180), (10, 25148326), (14, 17963090), (20, 12574163), (28, 8981545), (35, 7185236), (70, 3592618), (140, 1796309)]