320470472

素因数分解:

$2^3\times 7^1\times {\mathrm{509}}^1\times {\mathrm{11243}}^1$

素因数の和:11765

約数の個数: 32

約数和(自身を含む): 688132800

約数和(自身を除く): 367662328

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 509, 1018, 2036, 3563, 4072, 7126, 11243, 14252, 22486, 28504, 44972, 78701, 89944, 157402, 314804, 629608, 5722687, 11445374, 22890748, 40058809, 45781496, 80117618, 160235236, 320470472]

約数ペア:

[(1, 320470472), (2, 160235236), (4, 80117618), (7, 45781496), (8, 40058809), (14, 22890748), (28, 11445374), (56, 5722687), (509, 629608), (1018, 314804), (2036, 157402), (3563, 89944), (4072, 78701), (7126, 44972), (11243, 28504), (14252, 22486)]