71440390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2273}}^1$

素因数の和:2736

約数の個数: 32

約数和(自身を含む): 147355200

約数和(自身を除く): 75914810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 449, 898, 2245, 2273, 3143, 4490, 4546, 6286, 11365, 15715, 15911, 22730, 31430, 31822, 79555, 159110, 1020577, 2041154, 5102885, 7144039, 10205770, 14288078, 35720195, 71440390]

約数ペア:

[(1, 71440390), (2, 35720195), (5, 14288078), (7, 10205770), (10, 7144039), (14, 5102885), (35, 2041154), (70, 1020577), (449, 159110), (898, 79555), (2245, 31822), (2273, 31430), (3143, 22730), (4490, 15911), (4546, 15715), (6286, 11365)]