7989400

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{929}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 19027800

約数和(自身を除く): 11038400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 929, 1075, 1720, 1858, 2150, 3716, 4300, 4645, 7432, 8600, 9290, 18580, 23225, 37160, 39947, 46450, 79894, 92900, 159788, 185800, 199735, 319576, 399470, 798940, 998675, 1597880, 1997350, 3994700, 7989400]

約数ペア:

[(1, 7989400), (2, 3994700), (4, 1997350), (5, 1597880), (8, 998675), (10, 798940), (20, 399470), (25, 319576), (40, 199735), (43, 185800), (50, 159788), (86, 92900), (100, 79894), (172, 46450), (200, 39947), (215, 37160), (344, 23225), (430, 18580), (860, 9290), (929, 8600), (1075, 7432), (1720, 4645), (1858, 4300), (2150, 3716)]