7889840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 21361728

約数和(自身を除く): 13471888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 193, 280, 292, 365, 386, 511, 560, 584, 730, 772, 965, 1022, 1168, 1351, 1460, 1544, 1930, 2044, 2555, 2702, 2920, 3088, 3860, 4088, 5110, 5404, 5840, 6755, 7720, 8176, 10220, 10808, 13510, 14089, 15440, 20440, 21616, 27020, 28178, 40880, 54040, 56356, 70445, 98623, 108080, 112712, 140890, 197246, 225424, 281780, 394492, 493115, 563560, 788984, 986230, 1127120, 1577968, 1972460, 3944920, 7889840]

約数ペア:

[(1, 7889840), (2, 3944920), (4, 1972460), (5, 1577968), (7, 1127120), (8, 986230), (10, 788984), (14, 563560), (16, 493115), (20, 394492), (28, 281780), (35, 225424), (40, 197246), (56, 140890), (70, 112712), (73, 108080), (80, 98623), (112, 70445), (140, 56356), (146, 54040), (193, 40880), (280, 28178), (292, 27020), (365, 21616), (386, 20440), (511, 15440), (560, 14089), (584, 13510), (730, 10808), (772, 10220), (965, 8176), (1022, 7720), (1168, 6755), (1351, 5840), (1460, 5404), (1544, 5110), (1930, 4088), (2044, 3860), (2555, 3088), (2702, 2920)]