200198540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{859}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 432284160

約数和(自身を除く): 232085620

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 271, 430, 542, 859, 860, 1084, 1355, 1718, 2710, 3436, 4295, 5420, 8590, 11653, 17180, 23306, 36937, 46612, 58265, 73874, 116530, 147748, 184685, 232789, 233060, 369370, 465578, 738740, 931156, 1163945, 2327890, 4655780, 10009927, 20019854, 40039708, 50049635, 100099270, 200198540]

約数ペア:

[(1, 200198540), (2, 100099270), (4, 50049635), (5, 40039708), (10, 20019854), (20, 10009927), (43, 4655780), (86, 2327890), (172, 1163945), (215, 931156), (271, 738740), (430, 465578), (542, 369370), (859, 233060), (860, 232789), (1084, 184685), (1355, 147748), (1718, 116530), (2710, 73874), (3436, 58265), (4295, 46612), (5420, 36937), (8590, 23306), (11653, 17180)]