205174370

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1\times {\mathrm{857}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 375289200

約数和(自身を除く): 170114830

約数列:

[1, 2, 5, 10, 89, 178, 269, 445, 538, 857, 890, 1345, 1714, 2690, 4285, 8570, 23941, 47882, 76273, 119705, 152546, 230533, 239410, 381365, 461066, 762730, 1152665, 2305330, 20517437, 41034874, 102587185, 205174370]

約数ペア:

[(1, 205174370), (2, 102587185), (5, 41034874), (10, 20517437), (89, 2305330), (178, 1152665), (269, 762730), (445, 461066), (538, 381365), (857, 239410), (890, 230533), (1345, 152546), (1714, 119705), (2690, 76273), (4285, 47882), (8570, 23941)]