205128890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{707341}}^1$

素因数の和:707377

約数の個数: 16

約数和(自身を含む): 381964680

約数和(自身を除く): 176835790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 707341, 1414682, 3536705, 7073410, 20512889, 41025778, 102564445, 205128890]

約数ペア:

[(1, 205128890), (2, 102564445), (5, 41025778), (10, 20512889), (29, 7073410), (58, 3536705), (145, 1414682), (290, 707341)]