331328560

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{9349}}^1$

素因数の和:9805

約数の個数: 40

約数和(自身を含む): 772160400

約数和(自身を除く): 440831840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 7088, 8860, 9349, 17720, 18698, 35440, 37396, 46745, 74792, 93490, 149584, 186980, 373960, 747920, 4141607, 8283214, 16566428, 20708035, 33132856, 41416070, 66265712, 82832140, 165664280, 331328560]

約数ペア:

[(1, 331328560), (2, 165664280), (4, 82832140), (5, 66265712), (8, 41416070), (10, 33132856), (16, 20708035), (20, 16566428), (40, 8283214), (80, 4141607), (443, 747920), (886, 373960), (1772, 186980), (2215, 149584), (3544, 93490), (4430, 74792), (7088, 46745), (8860, 37396), (9349, 35440), (17720, 18698)]