201980890

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{469723}}^1$

素因数の和:469773

約数の個数: 16

約数和(自身を含む): 372021408

約数和(自身を除く): 170040518

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 469723, 939446, 2348615, 4697230, 20198089, 40396178, 100990445, 201980890]

約数ペア:

[(1, 201980890), (2, 100990445), (5, 40396178), (10, 20198089), (43, 4697230), (86, 2348615), (215, 939446), (430, 469723)]