78868370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2689}}^1$

素因数の和:3122

約数の個数: 32

約数和(自身を含む): 162691200

約数和(自身を除く): 83822830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 419, 838, 2095, 2689, 2933, 4190, 5378, 5866, 13445, 14665, 18823, 26890, 29330, 37646, 94115, 188230, 1126691, 2253382, 5633455, 7886837, 11266910, 15773674, 39434185, 78868370]

約数ペア:

[(1, 78868370), (2, 39434185), (5, 15773674), (7, 11266910), (10, 7886837), (14, 5633455), (35, 2253382), (70, 1126691), (419, 188230), (838, 94115), (2095, 37646), (2689, 29330), (2933, 26890), (4190, 18823), (5378, 14665), (5866, 13445)]