213016850

素因数分解:

$2^1\times 5^2\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 404224128

約数和(自身を除く): 191207278

約数列:

[1, 2, 5, 10, 25, 50, 97, 167, 194, 263, 334, 485, 526, 835, 970, 1315, 1670, 2425, 2630, 4175, 4850, 6575, 8350, 13150, 16199, 25511, 32398, 43921, 51022, 80995, 87842, 127555, 161990, 219605, 255110, 404975, 439210, 637775, 809950, 1098025, 1275550, 2196050, 4260337, 8520674, 21301685, 42603370, 106508425, 213016850]

約数ペア:

[(1, 213016850), (2, 106508425), (5, 42603370), (10, 21301685), (25, 8520674), (50, 4260337), (97, 2196050), (167, 1275550), (194, 1098025), (263, 809950), (334, 637775), (485, 439210), (526, 404975), (835, 255110), (970, 219605), (1315, 161990), (1670, 127555), (2425, 87842), (2630, 80995), (4175, 51022), (4850, 43921), (6575, 32398), (8350, 25511), (13150, 16199)]