209150305490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2987861507}}^1$

素因数の和:2987861521

約数の個数: 16

約数和(自身を含む): 430252057152

約数和(自身を除く): 221101751662

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2987861507, 5975723014, 14939307535, 20915030549, 29878615070, 41830061098, 104575152745, 209150305490]

約数ペア:

[(1, 209150305490), (2, 104575152745), (5, 41830061098), (7, 29878615070), (10, 20915030549), (14, 14939307535), (35, 5975723014), (70, 2987861507)]