2688778860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{285433}}^1$

素因数の和:285602

約数の個数: 48

約数和(自身を含む): 7576560096

約数和(自身を除く): 4887781236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 285433, 570866, 856299, 1141732, 1427165, 1712598, 2854330, 3425196, 4281495, 5708660, 8562990, 17125980, 44812981, 89625962, 134438943, 179251924, 224064905, 268877886, 448129810, 537755772, 672194715, 896259620, 1344389430, 2688778860]

約数ペア:

[(1, 2688778860), (2, 1344389430), (3, 896259620), (4, 672194715), (5, 537755772), (6, 448129810), (10, 268877886), (12, 224064905), (15, 179251924), (20, 134438943), (30, 89625962), (60, 44812981), (157, 17125980), (314, 8562990), (471, 5708660), (628, 4281495), (785, 3425196), (942, 2854330), (1570, 1712598), (1884, 1427165), (2355, 1141732), (3140, 856299), (4710, 570866), (9420, 285433)]