199209970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{9857}}^1$

素因数の和:9954

約数の個数: 32

約数和(自身を含む): 374761728

約数和(自身を除く): 175551758

約数列:

[1, 2, 5, 10, 43, 47, 86, 94, 215, 235, 430, 470, 2021, 4042, 9857, 10105, 19714, 20210, 49285, 98570, 423851, 463279, 847702, 926558, 2119255, 2316395, 4238510, 4632790, 19920997, 39841994, 99604985, 199209970]

約数ペア:

[(1, 199209970), (2, 99604985), (5, 39841994), (10, 19920997), (43, 4632790), (47, 4238510), (86, 2316395), (94, 2119255), (215, 926558), (235, 847702), (430, 463279), (470, 423851), (2021, 98570), (4042, 49285), (9857, 20210), (10105, 19714)]