3944920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 10336320

約数和(自身を除く): 6391400

約数列:

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

約数ペア:

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