30787400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{21991}}^1$

素因数の和:22014

約数の個数: 48

約数和(自身を含む): 81810240

約数和(自身を除く): 51022840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 21991, 43982, 87964, 109955, 153937, 175928, 219910, 307874, 439820, 549775, 615748, 769685, 879640, 1099550, 1231496, 1539370, 2199100, 3078740, 3848425, 4398200, 6157480, 7696850, 15393700, 30787400]

約数ペア:

[(1, 30787400), (2, 15393700), (4, 7696850), (5, 6157480), (7, 4398200), (8, 3848425), (10, 3078740), (14, 2199100), (20, 1539370), (25, 1231496), (28, 1099550), (35, 879640), (40, 769685), (50, 615748), (56, 549775), (70, 439820), (100, 307874), (140, 219910), (175, 175928), (200, 153937), (280, 109955), (350, 87964), (700, 43982), (1400, 21991)]