312056220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{742991}}^1$

素因数の和:743010

約数の個数: 48

約数和(自身を含む): 998581248

約数和(自身を除く): 686525028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 742991, 1485982, 2228973, 2971964, 3714955, 4457946, 5200937, 7429910, 8915892, 10401874, 11144865, 14859820, 15602811, 20803748, 22289730, 26004685, 31205622, 44579460, 52009370, 62411244, 78014055, 104018740, 156028110, 312056220]

約数ペア:

[(1, 312056220), (2, 156028110), (3, 104018740), (4, 78014055), (5, 62411244), (6, 52009370), (7, 44579460), (10, 31205622), (12, 26004685), (14, 22289730), (15, 20803748), (20, 15602811), (21, 14859820), (28, 11144865), (30, 10401874), (35, 8915892), (42, 7429910), (60, 5200937), (70, 4457946), (84, 3714955), (105, 2971964), (140, 2228973), (210, 1485982), (420, 742991)]