2220853490

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2495341}}^1$

素因数の和:2495437

約数の個数: 16

約数和(自身を含む): 4042454040

約数和(自身を除く): 1821600550

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 2495341, 4990682, 12476705, 24953410, 222085349, 444170698, 1110426745, 2220853490]

約数ペア:

[(1, 2220853490), (2, 1110426745), (5, 444170698), (10, 222085349), (89, 24953410), (178, 12476705), (445, 4990682), (890, 2495341)]