2618840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 6912000

約数和(自身を除く): 4293160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 199, 235, 280, 329, 376, 398, 470, 658, 796, 940, 995, 1316, 1393, 1592, 1645, 1880, 1990, 2632, 2786, 3290, 3980, 5572, 6580, 6965, 7960, 9353, 11144, 13160, 13930, 18706, 27860, 37412, 46765, 55720, 65471, 74824, 93530, 130942, 187060, 261884, 327355, 374120, 523768, 654710, 1309420, 2618840]

約数ペア:

[(1, 2618840), (2, 1309420), (4, 654710), (5, 523768), (7, 374120), (8, 327355), (10, 261884), (14, 187060), (20, 130942), (28, 93530), (35, 74824), (40, 65471), (47, 55720), (56, 46765), (70, 37412), (94, 27860), (140, 18706), (188, 13930), (199, 13160), (235, 11144), (280, 9353), (329, 7960), (376, 6965), (398, 6580), (470, 5572), (658, 3980), (796, 3290), (940, 2786), (995, 2632), (1316, 1990), (1393, 1880), (1592, 1645)]