30423260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{217309}}^1$

素因数の和:217325

約数の個数: 24

約数和(自身を含む): 73016160

約数和(自身を除く): 42592900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 217309, 434618, 869236, 1086545, 1521163, 2173090, 3042326, 4346180, 6084652, 7605815, 15211630, 30423260]

約数ペア:

[(1, 30423260), (2, 15211630), (4, 7605815), (5, 6084652), (7, 4346180), (10, 3042326), (14, 2173090), (20, 1521163), (28, 1086545), (35, 869236), (70, 434618), (140, 217309)]