400396556

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{4027}}^1$

素因数の和:4158

約数の個数: 48

約数和(自身を含む): 828285696

約数和(自身を除く): 427889140

約数列:

[1, 2, 4, 7, 14, 28, 53, 67, 106, 134, 212, 268, 371, 469, 742, 938, 1484, 1876, 3551, 4027, 7102, 8054, 14204, 16108, 24857, 28189, 49714, 56378, 99428, 112756, 213431, 269809, 426862, 539618, 853724, 1079236, 1494017, 1888663, 2988034, 3777326, 5976068, 7554652, 14299877, 28599754, 57199508, 100099139, 200198278, 400396556]

約数ペア:

[(1, 400396556), (2, 200198278), (4, 100099139), (7, 57199508), (14, 28599754), (28, 14299877), (53, 7554652), (67, 5976068), (106, 3777326), (134, 2988034), (212, 1888663), (268, 1494017), (371, 1079236), (469, 853724), (742, 539618), (938, 426862), (1484, 269809), (1876, 213431), (3551, 112756), (4027, 99428), (7102, 56378), (8054, 49714), (14204, 28189), (16108, 24857)]