210868990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{490393}}^1$

素因数の和:490443

約数の個数: 16

約数和(自身を含む): 388392048

約数和(自身を除く): 177523058

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 490393, 980786, 2451965, 4903930, 21086899, 42173798, 105434495, 210868990]

約数ペア:

[(1, 210868990), (2, 105434495), (5, 42173798), (10, 21086899), (43, 4903930), (86, 2451965), (215, 980786), (430, 490393)]