8697080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 22680000

約数和(自身を除く): 13982920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 349, 356, 445, 623, 698, 712, 890, 1246, 1396, 1745, 1780, 2443, 2492, 2792, 3115, 3490, 3560, 4886, 4984, 6230, 6980, 9772, 12215, 12460, 13960, 19544, 24430, 24920, 31061, 48860, 62122, 97720, 124244, 155305, 217427, 248488, 310610, 434854, 621220, 869708, 1087135, 1242440, 1739416, 2174270, 4348540, 8697080]

約数ペア:

[(1, 8697080), (2, 4348540), (4, 2174270), (5, 1739416), (7, 1242440), (8, 1087135), (10, 869708), (14, 621220), (20, 434854), (28, 310610), (35, 248488), (40, 217427), (56, 155305), (70, 124244), (89, 97720), (140, 62122), (178, 48860), (280, 31061), (349, 24920), (356, 24430), (445, 19544), (623, 13960), (698, 12460), (712, 12215), (890, 9772), (1246, 6980), (1396, 6230), (1745, 4984), (1780, 4886), (2443, 3560), (2492, 3490), (2792, 3115)]