320423905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{439}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 422737920

約数和(自身を除く): 102314015

約数列:

[1, 5, 17, 31, 85, 155, 277, 439, 527, 1385, 2195, 2635, 4709, 7463, 8587, 13609, 23545, 37315, 42935, 68045, 121603, 145979, 231353, 608015, 729895, 1156765, 2067251, 3769693, 10336255, 18848465, 64084781, 320423905]

約数ペア:

[(1, 320423905), (5, 64084781), (17, 18848465), (31, 10336255), (85, 3769693), (155, 2067251), (277, 1156765), (439, 729895), (527, 608015), (1385, 231353), (2195, 145979), (2635, 121603), (4709, 68045), (7463, 42935), (8587, 37315), (13609, 23545)]