29986460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{214189}}^1$

素因数の和:214205

約数の個数: 24

約数和(自身を含む): 71967840

約数和(自身を除く): 41981380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 214189, 428378, 856756, 1070945, 1499323, 2141890, 2998646, 4283780, 5997292, 7496615, 14993230, 29986460]

約数ペア:

[(1, 29986460), (2, 14993230), (4, 7496615), (5, 5997292), (7, 4283780), (10, 2998646), (14, 2141890), (20, 1499323), (28, 1070945), (35, 856756), (70, 428378), (140, 214189)]