30894140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11113}}^1$

素因数の和:11261

約数の個数: 24

約数和(自身を含む): 65350320

約数和(自身を除く): 34456180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 11113, 22226, 44452, 55565, 111130, 222260, 1544707, 3089414, 6178828, 7723535, 15447070, 30894140]

約数ペア:

[(1, 30894140), (2, 15447070), (4, 7723535), (5, 6178828), (10, 3089414), (20, 1544707), (139, 222260), (278, 111130), (556, 55565), (695, 44452), (1390, 22226), (2780, 11113)]