394952260

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{121151}}^1$

素因数の和:121323

約数の個数: 24

約数和(自身を含む): 834494976

約数和(自身を除く): 439542716

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 121151, 242302, 484604, 605755, 1211510, 2423020, 19747613, 39495226, 78990452, 98738065, 197476130, 394952260]

約数ペア:

[(1, 394952260), (2, 197476130), (4, 98738065), (5, 78990452), (10, 39495226), (20, 19747613), (163, 2423020), (326, 1211510), (652, 605755), (815, 484604), (1630, 242302), (3260, 121151)]