209121010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2987443}}^1$

素因数の和:2987457

約数の個数: 16

約数和(自身を含む): 430191936

約数和(自身を除く): 221070926

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2987443, 5974886, 14937215, 20912101, 29874430, 41824202, 104560505, 209121010]

約数ペア:

[(1, 209121010), (2, 104560505), (5, 41824202), (7, 29874430), (10, 20912101), (14, 14937215), (35, 5974886), (70, 2987443)]