1876880440

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{235789}}^1$

素因数の和:235999

約数の個数: 32

約数和(自身を含む): 4244220000

約数和(自身を除く): 2367339560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 235789, 471578, 943156, 1178945, 1886312, 2357890, 4715780, 9431560, 46922011, 93844022, 187688044, 234610055, 375376088, 469220110, 938440220, 1876880440]

約数ペア:

[(1, 1876880440), (2, 938440220), (4, 469220110), (5, 375376088), (8, 234610055), (10, 187688044), (20, 93844022), (40, 46922011), (199, 9431560), (398, 4715780), (796, 2357890), (995, 1886312), (1592, 1178945), (1990, 943156), (3980, 471578), (7960, 235789)]