68400500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{19543}}^1$

素因数の和:19569

約数の個数: 48

約数和(自身を含む): 170736384

約数和(自身を除く): 102335884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 875, 1750, 3500, 19543, 39086, 78172, 97715, 136801, 195430, 273602, 390860, 488575, 547204, 684005, 977150, 1368010, 1954300, 2442875, 2736020, 3420025, 4885750, 6840050, 9771500, 13680100, 17100125, 34200250, 68400500]

約数ペア:

[(1, 68400500), (2, 34200250), (4, 17100125), (5, 13680100), (7, 9771500), (10, 6840050), (14, 4885750), (20, 3420025), (25, 2736020), (28, 2442875), (35, 1954300), (50, 1368010), (70, 977150), (100, 684005), (125, 547204), (140, 488575), (175, 390860), (250, 273602), (350, 195430), (500, 136801), (700, 97715), (875, 78172), (1750, 39086), (3500, 19543)]