201521530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2878879}}^1$

素因数の和:2878893

約数の個数: 16

約数和(自身を含む): 414558720

約数和(自身を除く): 213037190

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2878879, 5757758, 14394395, 20152153, 28788790, 40304306, 100760765, 201521530]

約数ペア:

[(1, 201521530), (2, 100760765), (5, 40304306), (7, 28788790), (10, 20152153), (14, 14394395), (35, 5757758), (70, 2878879)]