306503260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2189309}}^1$

素因数の和:2189325

約数の個数: 24

約数和(自身を含む): 735608160

約数和(自身を除く): 429104900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2189309, 4378618, 8757236, 10946545, 15325163, 21893090, 30650326, 43786180, 61300652, 76625815, 153251630, 306503260]

約数ペア:

[(1, 306503260), (2, 153251630), (4, 76625815), (5, 61300652), (7, 43786180), (10, 30650326), (14, 21893090), (20, 15325163), (28, 10946545), (35, 8757236), (70, 4378618), (140, 2189309)]