731920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1307}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 1946304

約数和(自身を除く): 1214384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1307, 2614, 5228, 6535, 9149, 10456, 13070, 18298, 20912, 26140, 36596, 45745, 52280, 73192, 91490, 104560, 146384, 182980, 365960, 731920]

約数ペア:

[(1, 731920), (2, 365960), (4, 182980), (5, 146384), (7, 104560), (8, 91490), (10, 73192), (14, 52280), (16, 45745), (20, 36596), (28, 26140), (35, 20912), (40, 18298), (56, 13070), (70, 10456), (80, 9149), (112, 6535), (140, 5228), (280, 2614), (560, 1307)]