378280

素因数分解:

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

素因数の和:218

約数の個数: 48

約数和(自身を含む): 995220

約数和(自身を除く): 616940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 193, 196, 245, 280, 386, 392, 490, 772, 965, 980, 1351, 1544, 1930, 1960, 2702, 3860, 5404, 6755, 7720, 9457, 10808, 13510, 18914, 27020, 37828, 47285, 54040, 75656, 94570, 189140, 378280]

約数ペア:

[(1, 378280), (2, 189140), (4, 94570), (5, 75656), (7, 54040), (8, 47285), (10, 37828), (14, 27020), (20, 18914), (28, 13510), (35, 10808), (40, 9457), (49, 7720), (56, 6755), (70, 5404), (98, 3860), (140, 2702), (193, 1960), (196, 1930), (245, 1544), (280, 1351), (386, 980), (392, 965), (490, 772)]