209969330

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{52889}}^1$

素因数の和:53293

約数の個数: 16

約数和(自身を含む): 378903960

約数和(自身を除く): 168934630

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 52889, 105778, 264445, 528890, 20996933, 41993866, 104984665, 209969330]

約数ペア:

[(1, 209969330), (2, 104984665), (5, 41993866), (10, 20996933), (397, 528890), (794, 264445), (1985, 105778), (3970, 52889)]