4348540

素因数分解:

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

素因数の和:454

約数の個数: 48

約数和(自身を含む): 10584000

約数和(自身を除く): 6235460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 349, 356, 445, 623, 698, 890, 1246, 1396, 1745, 1780, 2443, 2492, 3115, 3490, 4886, 6230, 6980, 9772, 12215, 12460, 24430, 31061, 48860, 62122, 124244, 155305, 217427, 310610, 434854, 621220, 869708, 1087135, 2174270, 4348540]

約数ペア:

[(1, 4348540), (2, 2174270), (4, 1087135), (5, 869708), (7, 621220), (10, 434854), (14, 310610), (20, 217427), (28, 155305), (35, 124244), (70, 62122), (89, 48860), (140, 31061), (178, 24430), (349, 12460), (356, 12215), (445, 9772), (623, 6980), (698, 6230), (890, 4886), (1246, 3490), (1396, 3115), (1745, 2492), (1780, 2443)]