30691420

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{4049}}^1$

素因数の和:4437

約数の個数: 24

約数和(自身を含む): 64638000

約数和(自身を除く): 33946580

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 4049, 7580, 8098, 16196, 20245, 40490, 80980, 1534571, 3069142, 6138284, 7672855, 15345710, 30691420]

約数ペア:

[(1, 30691420), (2, 15345710), (4, 7672855), (5, 6138284), (10, 3069142), (20, 1534571), (379, 80980), (758, 40490), (1516, 20245), (1895, 16196), (3790, 8098), (4049, 7580)]