2178759170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{393989}}^1$

素因数の和:394082

約数の個数: 32

約数和(自身を含む): 4538764800

約数和(自身を除く): 2360005630

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 393989, 787978, 1969945, 2757923, 3939890, 5515846, 13789615, 27579230, 31125131, 62250262, 155625655, 217875917, 311251310, 435751834, 1089379585, 2178759170]

約数ペア:

[(1, 2178759170), (2, 1089379585), (5, 435751834), (7, 311251310), (10, 217875917), (14, 155625655), (35, 62250262), (70, 31125131), (79, 27579230), (158, 13789615), (395, 5515846), (553, 3939890), (790, 2757923), (1106, 1969945), (2765, 787978), (5530, 393989)]