209120870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2987441}}^1$

素因数の和:2987455

約数の個数: 16

約数和(自身を含む): 430191648

約数和(自身を除く): 221070778

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2987441, 5974882, 14937205, 20912087, 29874410, 41824174, 104560435, 209120870]

約数ペア:

[(1, 209120870), (2, 104560435), (5, 41824174), (7, 29874410), (10, 20912087), (14, 14937205), (35, 5974882), (70, 2987441)]