74237720

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17027}}^1$

素因数の和:17147

約数の個数: 32

約数和(自身を含む): 168577200

約数和(自身を除く): 94339480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 17027, 34054, 68108, 85135, 136216, 170270, 340540, 681080, 1855943, 3711886, 7423772, 9279715, 14847544, 18559430, 37118860, 74237720]

約数ペア:

[(1, 74237720), (2, 37118860), (4, 18559430), (5, 14847544), (8, 9279715), (10, 7423772), (20, 3711886), (40, 1855943), (109, 681080), (218, 340540), (436, 170270), (545, 136216), (872, 85135), (1090, 68108), (2180, 34054), (4360, 17027)]