1394888320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{311359}}^1$

素因数の和:311385

約数の個数: 64

約数和(自身を含む): 3811046400

約数和(自身を除く): 2416158080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 311359, 622718, 1245436, 1556795, 2179513, 2490872, 3113590, 4359026, 4981744, 6227180, 8718052, 9963488, 10897565, 12454360, 17436104, 19926976, 21795130, 24908720, 34872208, 39853952, 43590260, 49817440, 69744416, 87180520, 99634880, 139488832, 174361040, 199269760, 278977664, 348722080, 697444160, 1394888320]

約数ペア:

[(1, 1394888320), (2, 697444160), (4, 348722080), (5, 278977664), (7, 199269760), (8, 174361040), (10, 139488832), (14, 99634880), (16, 87180520), (20, 69744416), (28, 49817440), (32, 43590260), (35, 39853952), (40, 34872208), (56, 24908720), (64, 21795130), (70, 19926976), (80, 17436104), (112, 12454360), (128, 10897565), (140, 9963488), (160, 8718052), (224, 6227180), (280, 4981744), (320, 4359026), (448, 3113590), (560, 2490872), (640, 2179513), (896, 1556795), (1120, 1245436), (2240, 622718), (4480, 311359)]