203437720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{71633}}^1$

素因数の和:71715

約数の個数: 32

約数和(自身を含む): 464188320

約数和(自身を除く): 260750600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 71633, 143266, 286532, 358165, 573064, 716330, 1432660, 2865320, 5085943, 10171886, 20343772, 25429715, 40687544, 50859430, 101718860, 203437720]

約数ペア:

[(1, 203437720), (2, 101718860), (4, 50859430), (5, 40687544), (8, 25429715), (10, 20343772), (20, 10171886), (40, 5085943), (71, 2865320), (142, 1432660), (284, 716330), (355, 573064), (568, 358165), (710, 286532), (1420, 143266), (2840, 71633)]