78686020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562043}}^1$

素因数の和:562059

約数の個数: 24

約数和(自身を含む): 188846784

約数和(自身を除く): 110160764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562043, 1124086, 2248172, 2810215, 3934301, 5620430, 7868602, 11240860, 15737204, 19671505, 39343010, 78686020]

約数ペア:

[(1, 78686020), (2, 39343010), (4, 19671505), (5, 15737204), (7, 11240860), (10, 7868602), (14, 5620430), (20, 3934301), (28, 2810215), (35, 2248172), (70, 1124086), (140, 562043)]