871989420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{764903}}^1$

素因数の和:764934

約数の個数: 48

約数和(自身を含む): 2570077440

約数和(自身を除く): 1698088020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 764903, 1529806, 2294709, 3059612, 3824515, 4589418, 7649030, 9178836, 11473545, 14533157, 15298060, 22947090, 29066314, 43599471, 45894180, 58132628, 72665785, 87198942, 145331570, 174397884, 217997355, 290663140, 435994710, 871989420]

約数ペア:

[(1, 871989420), (2, 435994710), (3, 290663140), (4, 217997355), (5, 174397884), (6, 145331570), (10, 87198942), (12, 72665785), (15, 58132628), (19, 45894180), (20, 43599471), (30, 29066314), (38, 22947090), (57, 15298060), (60, 14533157), (76, 11473545), (95, 9178836), (114, 7649030), (190, 4589418), (228, 3824515), (285, 3059612), (380, 2294709), (570, 1529806), (1140, 764903)]