3994700

素因数分解:

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

素因数の和:986

約数の個数: 36

約数和(自身を含む): 8879640

約数和(自身を除く): 4884940

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 929, 1075, 1858, 2150, 3716, 4300, 4645, 9290, 18580, 23225, 39947, 46450, 79894, 92900, 159788, 199735, 399470, 798940, 998675, 1997350, 3994700]

約数ペア:

[(1, 3994700), (2, 1997350), (4, 998675), (5, 798940), (10, 399470), (20, 199735), (25, 159788), (43, 92900), (50, 79894), (86, 46450), (100, 39947), (172, 23225), (215, 18580), (430, 9290), (860, 4645), (929, 4300), (1075, 3716), (1858, 2150)]