208402790

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1051}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 381749760

約数和(自身を除く): 173346970

約数列:

[1, 2, 5, 10, 79, 158, 251, 395, 502, 790, 1051, 1255, 2102, 2510, 5255, 10510, 19829, 39658, 83029, 99145, 166058, 198290, 263801, 415145, 527602, 830290, 1319005, 2638010, 20840279, 41680558, 104201395, 208402790]

約数ペア:

[(1, 208402790), (2, 104201395), (5, 41680558), (10, 20840279), (79, 2638010), (158, 1319005), (251, 830290), (395, 527602), (502, 415145), (790, 263801), (1051, 198290), (1255, 166058), (2102, 99145), (2510, 83029), (5255, 39658), (10510, 19829)]