168348520

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113749}}^1$

素因数の和:113797

約数の個数: 32

約数和(自身を含む): 389025000

約数和(自身を除く): 220676480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 113749, 227498, 454996, 568745, 909992, 1137490, 2274980, 4208713, 4549960, 8417426, 16834852, 21043565, 33669704, 42087130, 84174260, 168348520]

約数ペア:

[(1, 168348520), (2, 84174260), (4, 42087130), (5, 33669704), (8, 21043565), (10, 16834852), (20, 8417426), (37, 4549960), (40, 4208713), (74, 2274980), (148, 1137490), (185, 909992), (296, 568745), (370, 454996), (740, 227498), (1480, 113749)]